The Bee kept nosing forward. It lived for seams—for edges, for boundaries—for any detail that could prove made, rather than grown. Its light passed over a recess, then over a small protrusion almost sealed shut by silt. The camera pressed in close. Across it ran a broken line of scoring—letters blurred, but the layout and the stamping were unmistakable: old-world industrial.

  Keiko’s breathing was very light. “Get it clean. Archive it.”

  The shipboard AI enlarged the Bee’s feed and pulled a still. On Keiko’s tablet, lines of identifiers appeared at once—image number, timecode, bearing, depth.

  Saitō stared at the protrusion. “That looks like a lifting lug.”

  Raphael asked it plainly. “Can we grab it?”

  Saitō didn’t answer at once. He had the Bee angle down and light the lug’s base. The beam swept across: the silt around the lug had been undercut into a narrow void, as though someone had dug from below—though it could just as easily have been a cavity scoured out by current over time.

  The Bee pushed a little further into that slit. The picture jolted. Fine mud billowed up like fog and smothered the lens.

  Anika wasn’t on the controls, but she could hear the difference. That wasn’t signal jitter; it was a physical bump. “Did it move?”

  The AI replied immediately: “Bee attitude disturbed. Minor rebound detected.”

  Saitō’s eyes tightened. “Stop. Bee back ten centimetres. Don’t brace against the seam.”

  The Bee eased back. The mud haze thinned. The corner of the casing was still there, but now, if you looked closely, the crust of silt along the edge had opened a new hairline crack—fine, fresh, as though just shaken loose.

  Raphael frowned. “So it’s hollow around it?”

  Saitō didn’t spend words. “Possibly. The seabed’s undercut, or the casing’s hanging. We don’t wrench.”

  Keiko was already logging: “Log: close-range Bee observation—suspected lifting lug; void present; silt layer unstable; undercut suspected.”

  Saitō switched back to the AUV sonar map and overlaid the Bee’s position. Above the casing was silt; around it the return was uneven. To the right, a weak-return patch—weak return down here usually meant empty or loose.

  He looked up, his voice a shade colder. “Target confirmed. Old-world industrial reserve bay or logistics container. Lift point likely present. Surroundings unstable.”

  Raphael watched the weak-return area. “So what now?”

  “Deploy the ROV,” Saitō said. “But no brute work yet.”

  Keiko lifted her eyes. “Procedure?”

  Saitō nodded, like driving a nail. “Strip the silt first. Use the jet to peel it back a little at a time. Expose the load points and confirm them. Don’t grab the lug. Don’t try to ‘tear it out’. We uncover it first—then we decide how to lift.”

  Raphael breathed out, as if pressing his own nerves down. “Understood. Let it show itself. Don’t make it show us our own.”

  Keiko wrote it in. “Decision: strip silt first; hard digging / hard pulling prohibited. Rationale: suspected seabed undercut; target unstable.”

  Just then, on the Bee’s feed, the edge of the casing trembled again.

  It was slight—like something asleep for a long time turning over.

  Then the crust beside the corner gave a distinct crack, opening a wider split. The casing seemed to sink half an inch, then stop.

  No one spoke. Even Raphael didn’t offer humour.

  Saitō watched that half-inch settlement, his voice pressed low. “See that? It’s warning us.”

  Raphael asked, just as bluntly. “Warning us of what?”

  “Not to hurry,” Saitō said.

  The shipboard AI cut in like a bell being struck:

  “Minor displacement detected in target structure. Recommendation: reduce operational disturbance; execute steady-state operations.”

  In the black, that old-world casing looked like a tooth sealed into mud. You could see only a corner, but you could already feel it: what lay beneath was not only cargo. It might also be a pit.

  When the ROV was released, the bay answered with a short, blunt click, as though some heavy latch had finally let go.

  The AI’s voice stayed level:

  “ROV release frame unlocked. Vehicle bay door open. ROV deployed. Tether tension: nominal.”

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  On the screen, the ROV lamps stabbed into the dark, illuminating a thick, murky haze. It hugged the seafloor towards the casing corner. The jet head tested once; silt leapt up at once like dust shaken awake, blotting the feed.

  Saitō’s voice came through the headset, steady. “Strip silt first. Don’t touch the lug. Don’t dig hard. Lower jet angle—slow.”

  On another display Anika watched attitude and dynamic positioning (DP), fingers tapping parameters without pause. “I’m locking heading. Thrust vector is micro-adjusting. Don’t let it tow the boat.”

  Raphael stood between them, hands off, eyes on the tension curve. The line looked like a thin ECG trace: one twitch, and your heart twitched with it.

  Keiko had entered her most useful state—record, not react. “Log: ROV begins silt stripping. Timecode—”

  The stripping went smoothly at first. More of the casing corner showed, metal edges emerging from the crust a little at a time, like old bone seeing light again. The lifting lug the Bee had glimpsed became clearer; the slit beside it remained—black, heavy, unpromising.

  Raphael spoke under his breath. “It’s empty under there.”

  Saitō didn’t take the bait. “No talking. Watch the numbers.”

  As the jet head shifted down by a fraction, the slit suddenly breathed out a thicker cloud of mud, as though something inside had exhaled hard.

  The next second—

  The tension trace was yanked upward like a hand on a rope, shooting straight into the red.

  An alarm erupted in the bay, sharp enough to hurt.

  The shipboard AI remained indifferent, and made it sound like a sentence:

  “Warning: tether tension surge. Current tension: out of limits. Recommendation: reduce load immediately or pay out cable.”

  Gray Whale shuddered with it—not the flutter of shear, but a hard jolt from sudden load transfer. A faint metal compression sound came from within the bulkhead, like teeth clenching.

  Anika’s voice rose a notch, still controlled. “I’m being hauled! Thrusters are saturated—boat’s slipping off!”

  Raphael straightened at once, his tone turning hard. “No shouting. On commands.”

  Saitō’s eyes locked on the tension curve; his hand was already on the winch control. “Don’t dump too much. Small reel-in—eat slack.”

  He didn’t yank and he didn’t spill. Just as he’d said: two centimetres at a time.

  “Reel in two centimetres,” he ordered.

  The winch motor pitch sharpened for an instant. The tension trace stopped climbing, but still trembled on the lip of red.

  “Stop,” Saitō said.

  Anika fed back from the boat controls. “Holding heading. I’ll give you counter-force. Thrust vector in place in three seconds.”

  Raphael watched them the way you watch two people defusing a bomb. His voice was clipped. “Don’t hurry. Whoever hurries dies.”

  Keiko’s fingers flew. “Log: tension surge; suspected cause—void collapse beneath casing / sudden load transfer. Response: Saitō reels in two centimetres; Anika DP compensation—”

  On the ROV feed, the view shook in the mud. Through it you could make out the casing corner settling visibly, as though stepping into nothing. The ROV was dragged half a body-width off line; the tether was drawn tight as a fully strung bow.

  Saitō’s voice went colder still. “Reduce ROV thruster output. Don’t follow it down. Let it settle.”

  He issued again: “Reel in two centimetres. Stop.”

  The winch answered with another brief whine. The tension trace finally began to fall, slipping back from red into yellow. It still shivered, but it no longer looked murderous.

  Anika followed at once. “Boat’s back on heading. Thrust vector stable. We’re not being dragged.”

  Only then did Raphael let out a breath, as though lowering a weight from his chest by a few millimetres. “Good. Keep it that way. No heroics.”

  Saitō didn’t say good. He said, “All movements halved. Silt stripping pauses. ROV back twenty centimetres—away from the seam.”

  The AI reported: “Tension returned to controllable interval. Current tension: near upper limit of normal. Recommendation: steady-state mode.”

  Keiko logged neatly: “Log: incident contained; risk persists. Continued settlement possible.”

  For a few seconds the bay was quiet. The alarm had stopped. In the headset there was only fan noise and the low whoosh— of ballast water, like the boat breathing slowly in the deep.

  Raphael stared at the curve that had almost snapped. His voice was low. “That pull just now… if it had gone, we’d have sent the ROV off on its own.”

  Anika didn’t look over. “If it snapped, it wouldn’t just be the ROV. One hard yaw and we could have hit the site ourselves.”

  Keiko lifted her eyes, calm as a ledger. “Today we’re not ‘doing a job’. We’re ‘staying alive while we finish it’.”

  Saitō eased his grip on the control lever, though his knuckles were still white. “Hear this clearly. Nobody ‘saves time’ from here on. We’ve seen it—there’s emptiness under it. Empty things bite best.”

  He paused, as though issuing the order to himself as well.

  “From now on, we work for survival.”

  The alarm had stopped, but no one relaxed. The tension trace sitting back in yellow meant only one thing: it hadn’t broken yet. It didn’t mean it wouldn’t.

  Saitō shifted his hand from the winch control, voice steady. “Strip-silt paused. Let the mud settle. Return all parameters to steady-state.”

  The AI took over the rhythm at once:

  “Entering steady-state mode. Thrust vector micro-adjustment active. Tension: near upper limit. Recommendation: reduce disturbance.”

  On the screen, the ROV lamps held on the corner of the casing. The mud haze fell back to the seafloor little by little, like dust settling into carpet. As the view cleared, the slit looked worse—black, deep, like a mouth half-open.

  Raphael murmured, “It took a bite.”

  Anika watched the DP page, eyes down. “Not a bite. A reminder. Seafloor voids make load jump. If it jumps again, we won’t have a second piece of luck.”

  Keiko keyed the timecode. “Log: steady-state entered; waiting for turbidity to settle. Objective: restore visibility; reduce disturbance.”

  Ten minutes passed. Twenty. The ROV began again.

  Saitō’s commands became shorter, finer. “Jet angle lower. Don’t blast the seam. Peel along the edge. Two seconds per pass.”

  The jet head tracked the casing edge, as though brushing an iron thing buried for years. The mud was shaved away, not blown away. After each pass, Saitō made it pause—let the silt settle—then continue.

  Raphael watched the progress indicator and couldn’t help himself. “We look like we’re doing dentistry on the seabed.”

  Saitō answered flatly. “Yes. Get dentistry wrong and people still die.”

  Anika added, in her clause-voice, “And this patient won’t cooperate. Sea state up top is shifting. Thruster load is rising.”

  She pointed them to the curve: DP thrust was climbing. The surface had roughened; even in the deep Gray Whale was being “led” into slight oscillations. They were small—but to a cable held tight, small oscillations were a knife-edge tremor.

  The shipboard AI echoed it:

  “Upper-layer sea-state variability increasing. Recommendation: control recovery window; reduce transmission of external disturbance.”

  Keiko logged without comment: “Log: operation time extended; upper-layer variability increased; DP load rising.”

  Once more of the casing was exposed, Saitō had the ROV circle it. Not to “get a full look”, but to find load points—where the structure was solid, where it was thin shell, where a void might open beneath.

  Find the load points, and only then do you earn the right to talk about living.