The mistake wasn’t loud.

  That was what frightened Kael.

  It happened near the end of the shift, when Hall C was running warm and steady and everyone had settled into the quiet fatigue that meant nothing unexpected was supposed to happen anymore. The belts hummed. Hooks rattled. Supervisors had stopped pacing and leaned instead, attention drifting.

  Kael was three cuts into a broad-backed carcass when the lights dimmed.

  Not out.

  Just… lower.

  Enough that shadows thickened along the floor and the pale glare softened into something flatter and meaner. The belts didn’t slow. The hooks didn’t stop. Work continued as if the building itself had exhaled and decided not to explain why.

  Kael felt it immediately.

  Not fear. Alignment.

  This wasn’t random.

  Two stations down, a tallyman straightened and glanced toward the far wall. One of the supervisors stopped leaning and put his hand on his baton—not gripping it, just reminding himself it was there.

  Kael finished the cut cleanly and let the carcass move on.

  The dimness lasted maybe a minute.

  Then the lights rose again, steady and controlled, as if nothing had happened.

  No announcement was made.

  At break, the scarred man didn’t drink his water.

  He stood by the wall instead, jaw tight, eyes tracking movement the way Kael had learned to.

  “They don’t do that,” the man muttered.

  “Do what?” Kael asked quietly.

  “Test the lights,” he said. “Not here. Not mid-shift.”

  Kael nodded once. “What does it mean?”

  The man hesitated, then shrugged. “Means someone important is moving.”

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  Lunch came late.

  Not by much. But enough.

  The stew was thick—thicker than it had been all week—and Kael didn’t miss the way supervisors watched bowls instead of faces as people ate. As if counting consumption instead of bodies.

  He finished quickly and left without lingering.

  Outside, Riven was waiting near the intake doors, arms folded too tightly.

  “They shut the Spur,” he said immediately.

  Kael stopped. “When?”

  “Ten minutes,” Riven said. “No explanation. Enforcers at both ends. Told us to stand.”

  “Did they take anyone?”

  Riven swallowed. “Not then.”

  Kael exhaled slowly. “Not then” meant soon.

  They walked back through Seven without taking the long route this time.

  Near the maintenance corridor—the one they no longer slowed near—something new had been posted.

  Not a notice.

  A marker.

  A strip of red cloth tied around a pipe bracket, frayed at the ends like it had been torn rather than cut.

  Riven saw it at the same time Kael did.

  “That wasn’t there yesterday.”

  “No,” Kael said.

  Red meant priority.

  Red meant attention.

  They didn’t stop.

  Back at the shelter, three mats were empty.

  Not pushed together. Not reclaimed.

  Just… gone.

  Kael counted quickly.

  One from the far wall.

  One near the door.

  One where a girl from Eight had slept for exactly two nights.

  Riven sat hard on his mat. “That’s not rotation.”

  “No,” Kael said.

  “They didn’t even backfill.”

  “No.”

  They didn’t speak for a while.

  The shelter felt hollow in a way Kael hadn’t felt before—not crowded enough to hide in, not empty enough to escape notice. The drip near the back wall had stopped entirely.

  Someone had fixed it.

  That night, Kael dreamed of the exchange yard collapsing inward, stone folding like cloth while crates stayed perfectly still.

  He woke before the siren.

  So did Riven.

  In the half-dark, Riven whispered, “They’re going to pull us.”

  “Yes.”

  “Soon.”

  “Yes.”

  Riven swallowed. “We can’t wait.”

  Kael sat up slowly, joints stiff, mind already racing.

  “They tested something,” he said. “Lights. Spur lockdown. Red marking.”

  Riven nodded. “And if they’re testing—”

  “They’re finalizing,” Kael finished.

  A voice spoke near the door.

  “Up.”

  Both of them froze.

  It wasn’t shouted. It wasn’t angry. Just close enough to carry.

  An enforcer stood in the doorway, silhouette blocking the corridor light. Young. Clean boots. The same one from the maintenance corridor days ago.

  He looked at the shelter—not searching, not counting—just seeing.

  “Shift assignments changed,” he said mildly. “Some of you are moving.”

  A murmur rippled through the room, sharp and scared.

  The enforcer’s eyes flicked across faces, paused briefly on Kael, then moved on.

  “Names will be posted after work,” he said. “Be ready.”

  He stepped away.

  The shelter breathed again—but wrong.

  Riven leaned close, voice barely sound. “That’s it.”

  “Yes.”

  “If our names are on that board—”

  “They won’t put us back,” Kael said.

  Riven’s hands were shaking now. He clenched them until they stopped.

  “When?” he asked.

  Kael didn’t hesitate.

  “Tonight,” he said. “Or we don’t go at all.”

  Riven stared at him, fear burning bright behind his eyes.

  Then he nodded.

  “Okay,” he said. “Okay. Tonight.”

  They didn’t pack yet.

  They didn’t touch the sacks.

  They went to work.

  But every step Kael took that day felt like it was happening after the decision instead of before it.

  By the time the siren sounded again, the exchange yard would either be their exit—

  —or the last place they were ever seen.