The diagnostic sweep began at 0400 hours, cycle 8,271, and Vera Kole's boots were still damp from the decontamination pool when she stepped onto the lower ring's main platform for the first time.
Yellow light bled across the metal floor, thin and sour. The smell hit her second, third, fourth. Recycled air had a taste here, mineral and rust, with an undercurrent of something biological she did not want to identify. Condensation crawled along the riveted walls. Somewhere above, a pipe groaned, then settled. A dozen scrubber units hummed in rows along the eastern rail, their housings streaked with old coolant. Vera counted them out of habit. Twelve. Twelve scrubbers, only nine operational. She made a note on her tablet and moved on.
Foreman Hesta Lin stood at the center of the platform, a tablet pressed to one hip, watching the new recruits file through the checkpoint. Lin was a broad woman, corded and tan from work rotations under the UV lamps in the agricultural decks. Her grey coveralls were spotless. Her voice, when it came, carried the particular flatness of someone who had given the same speech forty times and intended to give it forty more.
"Kole. Here."
Vera approached. She could feel the other recruits watching her, measuring the way they always did, checking her height, her face, her hands. She kept her gaze on Lin's chin.
"You scrub. You do not repair. You do not improvise. When a scrubber faults, you log the code and you call a tech. Do you understand?"
"Yes, Foreman."
"Say it back."
"I scrub. I do not repair or improvise. When a scrubber faults, I log the code and call a tech."
Lin studied her. Then she handed Vera a keycard, plain grey, with a magnetic stripe that had already begun to peel.
"Bay Six. Pol Arius runs the comms line. He will tell you where to start."
Vera took the card. The plastic was warm. She wondered how many hands had held it before hers.
Lin was already turning to the next recruit.
Bay Six opened off the platform through a set of double doors painted the same yellow as the floor, the paint cracked and lifting at the hinges. Vera shouldered through. The corridor beyond was narrow, lit by a single strip that flickered at its far end. The air was cooler here, and damper. She could hear, very faintly, the bass thrum of the filtration pumps two decks below.
Pol Arius was sitting on an overturned crate beside a console that looked older than Vera's grandmother. His chair had lost two of its legs and been replaced with stacked protein ration tins, silver and dented. He was eating from one of them. A protein strip hung from his lower lip like a bookmark.
He watched her come down the corridor. He did not stand.
"New scrub tech," he said. It was not a question.
"Vera Kole."
"I know who you are, Kole. I know what you ate for breakfast too, if you'd like me to broadcast it. Close the door. The draft's giving me a rash."
Vera closed the door. The latch did not catch. She pressed her shoulder against it, felt the seal give a grudging inch.
"Better." Pol popped the rest of the strip into his mouth and chewed with his mouth slightly open. "You've got Lin's dead eyes. That means she gave you the speech."
"She gave me a speech."
"She gives everyone a speech. Mine had more poetry in it. I cried." He gestured at the console with the empty tin. "Sit. Don't touch anything. If the lights change color, tell me. If they start spelling words, tell me faster."
Vera sat on the only other crate. It wobbled. Across from her, the console's screen showed a string of numbers that refreshed every few seconds, scrolling too fast to read. A speaker mounted above the screen hissed with low static. Beyond the console, a wide window looked out onto Bay Six proper, a low cavern of scrubber housings and catwalks, half of them dark.
Pol finished chewing, licked his thumb, and turned the empty tin over in his hands.
"First shift?" he asked.
"Yes."
"First job?"
"Yes."
"First regret?"
Vera did not answer. She watched the numbers scroll.
Pol laughed. It was a short sound, mostly air. "I like you, Kole. You've got the face of someone who counts things." He set the tin on the floor and folded his hands. "Fine. Lesson one. The scrubbers run on a loop. Loop starts at platform nine, goes down the eastern rail, ends at platform one. Each unit does twelve sweeps before it flags for service. When a unit flags, it goes red on my board and your job is to go out there, find the code, write it down, and tell me. Do not touch the unit. Do not be clever. Do not become a hero on your first day."
"What's the loop time?"
"Forty minutes nominal. Forty-five if the humidity climbs. An hour if the pumps decide to be difficult, which they often do." He tilted his head. "You can read a scrubber code?"
"I trained on simulators."
"Good. Simulators don't leak. Simulators don't drop pieces of housing on your head. Simulators don't make that sound." He pointed through the window. Somewhere out in the bay, one of the scrubbers had begun a noise that resembled a kettle reaching boil. "That sound is normal. Mostly."
Vera looked at the console. The numbers continued their slow scroll. She did not understand what most of them meant, not yet, but she could see the shape of it, a rhythm that went up and down in three places.
"The amber row," she said.
Pol raised an eyebrow.
"There are three columns with amber. The rest are green."
"Two are sensors, one is the loop timer. The timer drops to amber when the loop is running long. When it goes red, somebody has stopped moving." He watched her for a moment. "You'll do."
The kettle-sound faded. The bay settled into its usual hum, lower and steadier, like the inside of a chest. Vera could feel the vibration through the crate, up through her spine.
"What do I call you?" she asked.
"Pol is fine. Most people use Pol. Some people, the ones I don't like, use Arius. You can use Pol." He swung his legs. The crate of ration tins beneath him shifted and he caught it with one hand. "Your brother. Dax, right? He came through here six months back."
Vera's hands stilled on her knees. "You knew Dax?"
"Knew of him. We didn't share a shift. Different bay, different rotation. But I heard stories. The kid who rewired a scrubber housing with a paperclip and a prayer. The kid who got moved to auxiliary filtration before he finished his first week." Pol's expression did not change. "You here to fix what he broke, or break more things?"
"I'm here to work."
"That's not an answer, Kole."
"It's the only one I've got."
Pol studied her. Then he shrugged, theatrically, and swung his legs again.
"Fair enough. Welcome to Bay Six. The coffee is a lie. The tea is real but bad. If you see a rat, it's mine. Don't touch the rats. Don't name the rats. If you name the rats, I will tell Foreman Lin and you will regret it."
Vera nodded. She did not point out that they were three levels below the agricultural decks and rats were not supposed to exist on the station. She had been told, by Dax, that everything on the lower ring was supposed to be something it was not.
Pol reached beneath the console and produced a battered tablet, identical to Lin's, its screen scratched in a spiderweb pattern.
"This is yours now. It's been through four techs. None of them liked it. I think it remembers." He held it out. "When the loop timer drops to amber, I'll send you out. When it goes red, I send you out faster. When the speaker stops hissing and starts to speak, you come back here and we both pretend we didn't hear it."
Vera took the tablet. It was heavier than it looked.
"What does the speaker say?"
"Nothing useful. Mostly numbers. Sometimes names. Nobody ever admits to recognizing the names." Pol looked back at his console. "Don't ask me why. Ask someone who sleeps more than I do."
The loop timer on the console dropped from green to amber. Pol watched it, mouth slightly open, chewing nothing.
"There you go," he said. "First sweep of your first shift. Platform nine, eastern rail, unit four. It flagged for housing pressure. Probably condensation. Probably nothing." He waved a hand toward the door. "Go on. Take the tablet. Read the housing gauge. Write the number down. Come back and tell me what it says. If it says anything interesting, don't tell me. Bring me a protein strip instead."
Vera stood. The crate wobbled behind her. She tucked the tablet under her arm and headed for the door.
"Kole."
She turned.
Pol had not moved. His eyes were on the console.
"Your brother," he said, quietly. "He asked the same questions you ask. Watch the loop timer. Watch the speaker. Watch what falls out of the units when nobody's looking." He paused. "And don't eat the protein strips. They taste like the floor smells."
The door did not want to open. Vera pushed it with her shoulder, harder this time, and stepped through into the corridor. The yellow light swallowed her. Behind her, the door swung shut and the seal refused to catch again. She did not go back to fix it. She walked.
Bay Six stretched out ahead of her, a long gullet of metal and shadow. Catwalks crossed above her at three levels. Pipes ran along the ceiling in clusters, tagged with colored bands whose meanings she had not yet learned. The air was thicker here, and the taste of rust was stronger. She could see the scrubber units lined up along the eastern rail, their housings dull under the strip lighting. Unit four was the third from the left. Its housing pressure gauge was a small brass dial set into the front of the unit, ringed with a cracked bezel.
Vera crossed to it. Her boots left faint prints in the condensation on the floor. The scrubber loomed above her, humming, its intake valve cycling slow breaths of processed air. She raised the tablet and angled it to read the dial.
The gauge read 14.7. Just under the warning line. She wrote it down.
Something moved in the housing.
Vera froze. The tablet was still raised. The intake valve cycled again, slower this time, as if the machine had noticed her stillness and was matching it. The hum in the housing shifted, dropping half a tone. She could hear, very faintly, a tick. Then another. Then a soft, sliding sound, like something being dragged across metal inside the unit.
She did not touch the housing.
She wrote down what she had heard. She wrote down the time. She wrote down that the gauge was within tolerance and that the unit required observation. Then she backed away from the scrubber, one step at a time, and did not look at the housing again until she had reached the catwalk at the end of the row.
When she turned back, the scrubber's valve had resumed its normal rhythm. The dial still read 14.7. The housing was silent.
Vera stood for a moment longer. The yellow light pulsed, almost imperceptibly. The pipe overhead groaned. She made her way back to Bay Six's console room, slower than she had come.
Pol was waiting for her. He had produced another protein strip and was eating it thoughtfully, watching the door.
"Well?" he said.
The console room smelled of stale coolant and the powder from Pol's protein strips. A fine dust settled on every horizontal surface, grey-white and tasting faintly of minerals when it lifted into the air. Vera placed the tablet in its cradle and stood for a moment with her hands at her sides, listening to the scrubbers cycle their slow breaths somewhere down the corridor.
"Well?" Pol said again.
Vera pulled the chair out and sat. The cushion exhaled beneath her. She put her palms flat on the console and looked at the readout window, where the 14.7 still glowed.
"It reads fourteen point seven. Within tolerance. But I heard something in the housing."
Pol stopped chewing.
"Not the valve," Vera said. "Inside the housing. A tick. And a sliding sound. Like something being dragged across metal."
Pol set the wrapper of his protein strip down on the console with exaggerated care, as if he were placing a tool on a surgical tray. He folded his hands over it.
"Describe the sliding," he said.
"Soft. Continuous. About two seconds, then it stopped."
"And the tick?"
"Metallic. Sharp. Three ticks, separated. Not rhythmic. Then the sliding."
Pol nodded slowly. His gaze drifted to the sealed drawer beneath the console where he kept the equipment that had not been logged in the official inventory. Vera had seen him open that drawer only once, and only to show her what was inside, on her first week at the assignment. A confiscated spectral analyzer, three calibration weights, a sealed ampoule of something that Pol called "reference gel" and refused to explain. The drawer was warm to the touch. The console ran a little hot where it sat.
"It could be settling," Pol said. "These units are old. They shift. The housings flex with the thermal cycle."
"Yes," Vera said.
"But you're going to check it."
She didn't answer. She reached for the sealed drawer.
"Vera." Pol's voice had changed. Not louder. Not sharper. Just closer to the surface, the way a man speaks when he has decided to stop pretending he is not going to say the next thing. "If you open that drawer, and if you log that you used the analyzer, it will be in the system. Foreman Hesta Lin pulls the usage logs every third shift. She does not pull them because she is curious. She pulls them because someone above her is curious."
Vera's hand hovered over the drawer.
"The fragment," Pol said, "is a piece of a thing that should not exist. If you put it under the analyzer, and the analyzer reads what I think it might read, then we have a problem that is larger than a usage log. And you will not be able to unsee the reading."
Vera looked at him. The yellow light from the corridor had crept into the room through the gap under the door, painting a thin band across the floor. In that band, the dust moved like something alive.
"I haven't decided yet," Vera said.
Pol leaned back. The chair complained under him.
"I know," he said. "I just wanted it said."
Vera sat with her hand over the drawer for a long moment. The scrubbers breathed in the corridor. Somewhere far below them, the foundations of the Helix groaned in their slow, patient way.
Then she opened the drawer.
The analyzer was heavier than it looked. She lifted it out and set it on the console beside the tablet, and the surface dimpled slightly under the weight. The device was old, built in a style that had been obsolete before she was born, with a brass housing and a glass prism at its heart. The prism was the size of her fist and faintly cloudy, marked with a serial number that had been filed off. Pol watched her handle it the way a man watches someone handle a loaded weapon.
"The fragment," Pol said.
Vera reached into her coverall pocket. The black piece came out warm against her fingers, and heavier than it had any right to be. She set it on a square of clean cloth she had folded from the hem of her sleeve. The fragment lay there, matte, drinking in the light around it without giving any back.
Pol made a small sound in his throat.
"Don't," Vera said.
"I didn't say anything."
"You were going to say something about the edges."
Pol closed his mouth. The edges of the fragment were too smooth. They were not cut. They were not broken. They were simply there, as if the piece had been made that way on purpose, by something that did not understand the word rough.
Vera unfolded the analyzer's cradle. The device hummed to life when she touched the activator pad, a low, almost inaudible sound that she felt more in her wrist than heard. The prism inside turned, very slowly, finding its baseline. A small indicator light on the housing shifted from red to amber.
"Baseline takes forty seconds," Pol said. He was not eating. His hands were still folded over the protein strip wrapper. "Don't touch the prism."
"I know how an analyzer works."
"I know you know. I am reminding myself."
The amber light held. Then it shifted, very deliberately, to green. The analyzer was ready. Vera placed the fragment on the cradle's center mark. It sat where she put it, perfectly still, as if it had been waiting for that exact spot.
She closed the cradle's lid. The analyzer's housing brightened at the seams. A faint, high tone began, just at the edge of hearing. Pol leaned forward. The light under the door pulsed once.
The reading took eleven seconds.
When it came, Vera did not move. She did not breathe. She read it once, then again, then a third time, because the number did not change.
"Pol."
"I'm here."
"Look at this."
Pol came around the console. He stood over her shoulder, and she could smell the protein powder on his breath. He looked at the read screen. He was quiet for a long time.
"Say it," Vera said.
Pol's voice, when it came, was very flat.
"The analyzer reads refractive index. That's what it does. It sends a calibrated beam through the sample and measures the angle at which the beam returns. The angle is the index. The index tells you what the material is. Every material has an index. Every index is a number."
"Yes."
"The index on this sample is not a number that the analyzer recognizes. It is flagged as out of bounds. But the angle is logged. The angle is logged because the analyzer cannot lie about an angle. The angle is what it is."
Vera looked at the screen.
The angle read 174 degrees.
"Tell me what that means," Vera said.
"It means," Pol said, "that the beam went into the fragment and came back at an angle that is greater than the angle at which it entered. The beam bent backward. It bent more than backward. It bent almost to the point of reversing itself. No material I know of does this. No material in the standard tables does this. No material in the extended tables does this."
He sat down on the edge of the console, heavily, as if his legs had reminded him they existed.
"There is a theoretical range," he said, "in some of the older papers, for materials under extreme torsion. Above a certain spin density, the geometry of refraction breaks down. You get negative angles. You get angles past one-eighty. The papers call it exotic matter. The papers also say it cannot exist outside of a collapsing stellar core."
Vera looked at the fragment through the cradle's glass. It lay there, matte, patient.
"So," she said.
"So," Pol said.
The indicator light on the analyzer held green. The reading did not change. The angle did not change.
"We need to log it," Vera said.
"If we log it, Foreman Hesta Lin pulls the log. If Foreman Hesta Lin pulls the log, it goes above her. We do not know what is above her. We know only that it is not us."
"And if we don't log it."
"Then we have a reading that nobody knows about, on equipment that is not supposed to be here, on a sample that we do not officially possess." Pol spread his hands. "Both options are bad."
Vera reached for the tablet. Her fingers hovered over the input field.
"Wait," Pol said. He was looking at the screen again. "There's a secondary reading. The analyzer logs anything anomalous. Look at the lower band."
Vera looked. The lower band was dim, half-hidden behind the primary readout. It showed a series of small numbers, ticking upward as she watched.
"What is it counting?"
"I don't know," Pol said. "The unit hasn't been calibrated in eleven years. I don't know what it is counting."
The numbers climbed. 0.0004. 0.0009. 0.0013.
"It's counting something inside the sample," Vera said.
Pol stood up. He crossed the room in two strides and pulled the door shut. The yellow band on the floor disappeared. The room dimmed to the cool glow of the analyzer and the console screens.
"We are going to have to make a decision," he said, "very quickly."
Vera did not move her hand from the tablet.
"Tell me what you would do," she said.
Pol was quiet for a long time. The numbers on the lower band ticked. 0.0021. 0.0028.
"I would call Dax," Pol said.
Vera's hand stopped.
"Dax is not on shift."
"I know where Dax is."
"Dax is at the family quarters."
"I know."
"If I call Dax, and Dax comes, and Dax sees this, then Dax knows. And Dax will not be able to unknow it. And Dax will want to do something about it. That is who Dax is."
"Yes," Pol said.
Vera looked at the fragment. The numbers ticked.
"Make the call," she said.
Pol reached for the console comm. His hand hesitated for just a moment above the activator, the way hers had hesitated over the drawer. Then he pressed it.
The comm hummed. The console light shifted from amber to green.
"Dax Kole," Pol said, "this is Pol. I am with Vera. We need you in Bay Six. Bring the small case. Do not log the transit."
The comm clicked. The line stayed open. Somewhere far away, in the family quarters at the heart of the Helix, a chime would be sounding. A hand would be reaching for a coat.
The numbers on the lower band reached 0.0047 and stopped. The analyzer's green light held. The fragment lay in its cradle, drinking in the light.
Vera did not look away from it. Pol did not look away from it. The scrubbers breathed in the corridor.
The door to Bay Six was locked. The yellow light under it did not return.
Dax arrived in seven minutes. Pol heard the footsteps before the door chimed, a particular rhythm, quick and uneven, the gait of someone who had decided to run and then decided not to and could not quite decide again. The door chimed. The yellow light under it did not return; Dax must have known the override, must have been told, must have brought the key. The lock disengaged with a soft clunk, and the seal hissed, and the door rolled aside.
Dax Kole stood in the doorway. He was in the gray undersuit of off-shift, the sleeves pushed up to the elbows, the collar open. His hair was uncombed. In his right hand he held a small case, black, hard-shelled, the corners scuffed. In his left hand he held nothing, because his left hand was trembling, and he had learned years ago that you cannot carry what you cannot steady.
He looked at the cradle. He looked at the fragment. He looked at Vera.
"Close the door," Vera said.
Dax stepped inside. The door rolled shut behind him. The lock engaged.
Pol watched the three of them in the analyzer's green light, and the three of them looked nothing like the family he had known. Vera stood rigid at the console, her hand still on the tablet, her face a mask of composure so perfect it could not be natural. Pol himself stood two paces behind her, his hands at his sides, his chest tight. And Dax stood at the door, the case held against his thigh, his eyes moving from the cradle to Vera and back again with the careful, frightened focus of a man trying to read a script that kept changing.
"Sit down," Vera said, and pointed to the stool.
Dax did not sit. He walked to the cradle and looked down at the fragment. The green light fell across his face. His eyes reflected it, two small green stars, and in them Pol could see the numbers on the lower band: 0.0047, 0.0047, 0.0047, the value held, the ascent paused.
"How long," Dax said, and his voice was not the voice he used at dinner or in the corridor or in the small hours when he could not sleep. It was the voice he used when he was trying not to feel what he felt, the voice of a man walking across a frozen lake and listening for the crack.
"Twenty minutes since the first reading," Pol said. "The ascent paused six minutes ago. The value is holding."
"Define holding."
"No change in the last six minutes."
Dax looked at Vera. "And you called me."
"I called you," Vera said.
"Because."
"Because you are my son, and you will have to live here after I am gone, and I would rather you heard it from me than from an alert."
Dax set the case on the floor. He did not open it. He straightened up, and his shoulders were very straight, and his trembling had moved from his hand to his jaw, a small muscle in the cheek that twitched each time he swallowed.
"What do we do," he said.
"We wait," Vera said. "We watch. We do nothing hasty."
"The value has gone from zero to nearly five thousandths of a percent in twenty minutes, Mother."
"I am aware of the number, Dax."
"If it doubles again, we will be at one percent inside a week. At the current rate of increase. I have run the projection. At the current rate of increase, we cross one percent in six days, possibly five."
"I have run the projection as well."
"Then you know that at one percent we begin to see structural microfractures in the resin panels. At three percent, the lower ring cannot be sealed against vacuum without continuous intervention. At five percent, the resin loses half its tensile strength. We have been over this. We have been over this since I was twelve and you made me read the report."
"Yes," Vera said. "I remember."
Dax looked at the fragment. He looked at Pol. He looked at the case on the floor.
"What is in the case," Pol said.
"Sample containment," Dax said. "A sealed cylinder. Argon backfill. Gloves. A small lead shield. And a key."
"A key," Vera said.
"For the conduit above my old room. The one that was sealed after the mirror. I have had the key since I was seventeen. I have never used it."
Pol felt the room shift around him, the way the air shifted when a pressure seal was about to fail. He looked at Vera. She was looking at Dax.
"Why," she said, and her voice was very quiet.
"Because I went back," Dax said. "After you moved me out. After Father died. I went back to the room. I found the mirror, and the mirror was gone, and the space behind the panel was empty, and I thought, that is the end of it, that is done. And then I thought, what if it is not done. What if it is not the end. What if it is only the beginning, and what if the beginning is hidden in a wall my mother sealed because she could not bear to look at it. So I went to Foreman Hesta Lin. I told her I needed a key. I told her it was for a work matter. I do not remember what work matter. She gave me the key. I have carried it since."
He bent and opened the case. Inside, nested in foam, lay a small cylinder of brushed steel, a pair of white gloves, a thin disc of lead no larger than a saucer, and on a separate hook, a single key on a steel ring. The key was old. The teeth were worn. The bow had been scratched, perhaps by a tool, perhaps by a nervous hand.
"Why," Vera said again.
"Because I am your son," Dax said. "And I would rather be prepared than be sorry."
The analyzer's green light held. The numbers on the lower band held. 0.0047, 0.0047, 0.0047.
Then the lights went out.
The analyzer's green light was the last to go, a single bright point in the dark, and then it too was gone, and the room was black except for the faint glow of the tablet in Vera's hand, which had switched to its emergency phosphor, a dim green that lit her face from below and turned her eyes to shallow pits.
Pol could not see the cradle. He could not see the fragment. He could hear only the hum of the analyzer, which had switched to its battery, and the breath of the three of them, and somewhere in the distance, the sound of scrubbers stopping.
"Stay where you are," Vera said.
The brownout had a smell. Pol knew it from the incident reports. When the lower ring lost power, the air filters stopped, and the air took on a flat, slightly oily taste, like the inside of a machine that had been running too long. He tasted it now on the back of his tongue. He heard Dax swallow.
"How long," Dax said.
"I do not know," Vera said.
The console comm was dead. The door light was dead. The scrubbers had stopped in the corridor, and in their absence Pol could hear the faint groan of the station's hull, the sound of metal cooling, the sound of a structure that did not like to be quiet.
Eleven minutes, Pol thought. If this is the brownout from the reports, it will last eleven minutes, and the filters will restart, and the lights will come back. Eleven minutes is not long. Eleven minutes is a long time in the dark with a fragment of resin and a son who has brought a key.
"Mother," Dax said, and his voice was very small.
"I am here," Vera said.
"I am frightened."
"I know."
"I have been frightened since I was twelve. Since you made me read the report. I thought I would grow out of it. I have not grown out of it."
"Neither have I."
The phosphor on the tablet dimmed further. Vera's face sank into shadow. Pol could no longer see her. He could hear her breathing, and he could hear the small click of her thumb against the tablet's edge, a rhythm she kept when she was thinking, a habit of a lifetime.
"Vera," Pol said, and he was surprised by his own voice, which came out low and steady and almost calm. "The conduit above Dax's old room. The sealed conduit. Does it run above Bay Six."
"Yes," Vera said. "It runs the length of the lower ring. The brownout is originating there."
"You know this how."
"I know because the load profile is in the tablet. The brownout is local. The brownout is in a single conduit. The conduit is the one I sealed seventeen years ago. The conduit is the one Dax has a key to. The conduit is directly above the place where the mirror was hidden."
The dark pressed in. Pol felt the sweat cool on his neck. He felt the floor shift beneath his feet, a tiny tremor, the kind you feel when a large machine starts somewhere far away.
"The fragment," Dax said. "Is it still in the cradle."
"Yes," Vera said.
"Has the analyzer lost its battery."
"It has thirty minutes of battery."
"Then we wait."
"We wait."
The eleven minutes stretched. Pol counted them in his head, the way he had learned to count shifts, the way he had learned to count the slow increase of the value on the lower band. He counted by his own breathing. He counted by the small sounds of the room, the click of Vera's thumb, the creak of Dax's boots as he shifted his weight, the soft hiss of the analyzer's battery cooling.
At the seventh minute, the lights flickered. At the ninth, they steadied. At the tenth, the analyzer's green light came back, dim, then bright, and the cradle was visible again, and the fragment was visible again, and the numbers on the lower band were visible again.
0.0089.
The value had doubled.
No one spoke. The scrubbers restarted in the corridor with a shuddering sigh. The air filters spun up. The flat oily taste in Pol's mouth faded, replaced by the metallic cleanness of recycled air. The console comm chimed. Vera reached for it and did not press it. The chime sounded again. A third time.
"Answer it," Dax said.
Vera pressed the comm.
"This is Foreman Hesta Lin," the voice said, and it was clipped, and it was tired, and it was the voice of a woman who had been woken in the middle of the night by a load profile that did not make sense. "Vera. I have a brownout report in the sealed conduit above the old family quarters. I need access. I need to know what is in there."
Vera looked at Dax. Dax looked at the key on the steel ring. The key lay in the foam of the open case, catching the green light of the analyzer.
"Hesta," Vera said. "I will meet you at the conduit access in ten minutes. Bring only yourself. Bring no one else."
"Vera, what is in there."
"Ten minutes, Hesta. I will explain when I see you."
The comm clicked. The line closed. The green light held. 0.0089, 0.0089, 0.0089.
Vera looked at Pol. Pol looked at Vera. Dax looked at the key.
"Then we go up," Dax said. "All three of us."
Vera nodded. She reached down and picked up the cylinder from the case. She picked up the gloves. She picked up the lead disc. She picked up the key.
"I will carry it," she said.
She turned toward the door. The yellow light under it had returned. Pol stepped forward and palmed the lock. The seal hissed. The door rolled open.
The three of them stepped into the corridor. The scrubbers breathed. The air tasted clean. Somewhere far above, in the sealed conduit above a room that had been a child's room and was now only a wall, something was waiting to be opened.
Vera walked ahead, the key in her hand, the cylinder under her arm. Pol walked beside her. Dax walked behind, the case empty now, his trembling gone, his shoulders set, his eyes fixed on the back of his mother's neck.
They did not speak. The corridor stretched ahead of them, lit in the amber of restored power, and their footsteps echoed in it, three sets, evenly spaced, moving toward the lift that would take them up to the sealed conduit, and to the wall, and to whatever lay beyond.