Lieutenant Commander Mara Voss stepped into the coil room's primary diagnostic bay as the last of the overhead work lights flared to full intensity. The air carried the familiar post-repair bite—ozone from recent arcing, hot metal from fresh welds, the faint chemical trace of cryocooler exhaust that never quite left the deck plates. The twelve rings stood in their cradles like ancient guardians; eight now glowed with the steady blue of restored power, their harmonics a low, reassuring song that vibrated through the hull. The other four remained dark, scarred lattices still wrapped in temporary scaffolding, though the worst of the emergency repairs had finally ended.
Commander Raj Patel waited beside the mobile diagnostic cradle holding Ring Nine's interlock assembly. His sleeves were rolled to the elbows, grease streaks still visible on his forearms, but his posture held the quiet satisfaction of a man watching his wounded charge come back to life—tempered by the knowledge that the wound had been deliberate.
He did not look up immediately when Voss approached. His eyes remained on the disassembled cylinder resting on the tray—superconducting casing split open, quantum relay core exposed under the harsh white beam.
"Commander Voss," Patel said, voice rough from too many hours shouting over welders. "You wanted to see it before we bag it for evidence." She nodded once, gloved hands clasped behind her back. "I did." Patel gestured at the fracture running the length of the primary lattice. A single clean hairline split, edges faintly discolored from thermal stress, but no explosive shattering, no melt-through.
"Same signature as the others," he said. "Controlled thermal gradient—precise enough to embrittle the material without tripping into immediate catastrophic failure. Whoever applied it knew exactly how much heat the lattice could take before it cracked, but held." He tapped the cradle mount. "The only reason this one didn't snap clean like Seven, Ten, and Eleven is the thrust-vectoring offset. Thirty degrees out of the primary drive plane. Lower peak thermal cycling, lower sustained load. The waveform that hit the primaries only grazed this one—left a survivable flaw instead of instantaneous rupture."
Voss leaned closer, studying the fracture under the light. No tool marks. No residue of improvised cutting. Just the subtle rainbow sheen of quantum embrittlement. "Deliberate," she said quietly. Patel exhaled through his nose. "Deliberate. And surgical. Full access to sequencer timing during final alignment, knowledge of our exact load profiles." He met her eyes. "We're bagging the others tomorrow morning for secure transit to the evidence locker on Deck 8. This one stays here until you clear it."
"Understood." Voss straightened. "Thank you, Commander." Patel gave a small nod and turned back to his console, already pulling the next diagnostic thread. Voss left the coil room without another word, the hatch sealing behind her with a soft hiss. She walked the long way to her office on Deck 7—through the spine corridor, past the auxiliary sensor passages—letting the ship's rhythm settle her thoughts. By the time she reached her workstation, the night cycle had deepened; amber strips glowed along the deck seams, the constant white noise of life support the only company.
She locked the door. Dimmed the overheads. Brought up the security feed archive. First pass: evidence transfer log from Patel's team. Interlocks Seven, Ten, Eleven tagged and moved at 0412. Ninety-second camera blackout in the transit corridor to Deck 8. Maintenance drone listed as "recalibration pull." No override codes logged.
Second pass: biometric ghosts. Amir al-Rashid appeared on Deck 12 corridor readers at 0423—eleven minutes after the blackout window closed. Route: port maintenance ladder down, auxiliary crawlspace transit, and emergence at the central corridor hub. No detours. Purposeful stride.
Voss leaned back, chair creaking faintly. She cross-referenced his pad wake-sleep cycles against power draws in the coil room during the alignment window. Small spikes. Consistent. Enough to mask a low-level data probe. She exhaled slowly. She did not want this to be true. But the numbers did not lie. She rose, clipped the compact service sidearm inside her jacket, and headed for the hub.
The corridor ahead opened into the main transit hub—wide, brightly lit, too exposed. Voss moved with measured steps, senses tuned to every shift in the air. She had tracked Amir's biometric signature here after the destruction of the Ring Nine interlock; the fresh tool marks on the core had confirmed what the logs only hinted at. Someone had used a micro-tool—engineer-grade—to thin the lattice before the jump, ensuring the current would lock high when the charge hit.
She rounded the junction and saw him.
Amir stood near the starboard transit access, back partially turned, posture casual but shoulders too rigid. He sensed her before she spoke—head turning, eyes meeting hers with the sudden stillness of a man who had just realized the shadows had teeth. "Lieutenant al-Rashid," she said, voice calm, professional. "A word."
His throat worked visibly. He forced his face neutral, but the pulse at the side of his neck betrayed him—rapid, irregular. She stepped closer, one hand resting lightly on the holster at her hip—not a threat, just presence. "I've been reviewing coil diagnostics from the jump," she said. "Interesting anomalies. Interlocks that failed to shunt current. Clean cuts on components that couldn't have been mere battle stress."
Amir kept his breathing level. "I wouldn't know, ma'am. I was in the coil room thirty minutes before the jump. Routine check." Voss tilted her head. "Routine. Yes. And yet the shunt from ring nine was tampered with. The cut was deliberate. Precise. Done with a micro-tool—the same kind engineers use for fine work. The kind that leaves a very specific micro-abrasion pattern on the alloy."
Amir's hands stayed open at his sides, but his fingers flexed once—small, involuntary. "Could've been damage from the overload." "Could've been," Voss agreed. "But the cut was made before the overload. Before the jump. The tool marks are fresh. No oxidation. Someone did this intentionally, knowing the current would lock high when the charge hit."
She studied him, not pressing for answers so much as watching. His hands. His shoulders. The way his eyes flicked away for half a second toward the starboard corridor. "You were alone in that section," she continued, voice even. "The logs show you signed in for a routine alignment check. Thirty-two minutes before the jump. Plenty of time to thin an interlock and reroute the diagnostic path so every sensor still reads green."
Amir's pulse hammered against his ribs; she could see it in the faint tremor at his throat. Sweat gathered at his temples despite the cool air. "I was just doing my job, ma'am," he said, voice steadier than the micro-shake in his fingers suggested. Voss didn't blink. "I'm not asking what you did, Lieutenant. I'm asking why."
She took one step closer.
"Someone tried to kill this ship. And everyone on her. Including you. Why would you help them?" Amir's mouth opened, but no words came. The lights flickered—once, hard. A low groan rippled through the deck. Voss's hand went to her comm. "Bridge, report."
Static.
Then Bennett's voice—tight. "Power fluctuation. Coils spiking again." Voss's eyes locked on Amir's. He ran. She didn't shout after him. But she followed, boots striking deck plates in measured pursuit as the corridor lights dropped to emergency red.
The black was wide.
And the shadows inside it were closing.