Chapter 10: Shadow in the Vault
2136 Words
The vaults themselves whispered at night. Not with daylight order's clearness—alarms, pumps, footsteps—but something more old, more deep. A hum of breathing, as if metal and stone remembered water's rhythm, even when taps went dry.
Faris entered the algae maintenance tunnel at midnight. He had the timing by instinct—no clocks were present here, only routine. Brine and moss odors clung to walls, damp with condensation despite controlled dryness. Each step echoed in sodden whispers.
He moved without switching on the corridor lights. His boots were padded, muffled, tempered. He'd worked here long enough to understand where the sensors had blind spots and which floor plates creaked the loudest. Layla teased him once—referred to him as "pipe ghost" when he learned the vault map better than the archivists.
Tonight he wasn't here for fun. He was here for answers.
The padlocked rear hatch of the algae basin—a detail that had worn into his mind since he saw it weeks ago—was still shut up. But another knew about it too.
Because they were there.
Faris ducked behind a hydro-sump unit, thudding heart slamming so hard it could be heard louder than breathing. The basin chamber on the other side appeared to shimmer with soft green light from the algae columns, dark shadows cast upon the walls. And in one of those shadows stalked a shadow.
Tall, hooded. Their fingers blipped quickly but precisely. A tool flashed on metal. Faris caught a scent of charred plastic. Tubing spurted. The figure inserted something—maybe a canister?—into the piping system and withdrew… something dark, cylindrical. Water storage? No, too small. Data tube? A vial?
He leaned forward, just as the hooded figure straightened and headed for the emergency service duct at the opposite wall.
Faris backed away.
The steps were light but deliberate. Whoever they were, they knew this place. Knew it better than Faris.
And then they vanished.
He waited five minutes, counting on his fingers, before he snuck back to the panel.
Still warm.
The lock—now partly charred—had been smashed apart and re-locked with a different code tab. Please do not modify the standard. He wouldn't try to open it yet.
Rather, he worked on what was left behind.
The piping around the panel had been redirected. Slightly, but unmistakably. Faris was familiar with this system. A pipe that was supposed to run north to Storage Column 6 had been subtly bent to siphon… somewhere else. He followed the valve with his flashlight and found residue—dry but not water. Thick. Greenish-black. Algae concentrate?
He touched it, held the smear under his nose, then winced. Spoiled. Maybe engineered.
Was this filtering? Or sabotage?
No. The man was not cleaning. They were taking out.
His father's words came to mind.
> "Flow diverted. Under pressure."
Faris leaned against the basin wall, thoughts racing. Was this the same bypass system his father scribbled down? Was this connected with Layla's mother—who, as per the note, had been threatened? And what was this ghost stealing substance under suspicion?
He shivered.
The League required controls on everything—especially liquid biomass like algae. A half-liter off the books was grounds for suspicion. If someone had set up an unauthorized side-channel…
Then someone in the League was complicit.
He stood up slowly, committing the panel's seal code to memory. If he could get Layla to help track it down—perhaps infiltrate the League's intake logs—they could figure out who had clearance.
If any.
But the more he thought about it, the more terror stacked up like dust in his lungs.
What if the League would not pass it?
What if the League was being stolen from, and did not know it?
He crawled out, not wishing to bother the now-healing smudge of concentrate near the pipe. He did not wish for someone else to notice it and cover it up.
Back in the dorm wing, he stood waiting outside his mother's room. The Book of Wellspring still lay open on the floor at her cot, where she'd fallen asleep in the middle of prayer. Her forehead furrowed even in sleep.
He couldn't tell her yet.
Faris returned to sit on his bunk again and pulled out the torn-up maintenance manual again—the one with his father's annotations.
He flipped to the back, and read the sketch again.
It wasn't a map. Far from it. It was a flow chart.
A diversion of nutrient flows. Several arrows drawn to non-existent locations—places outside the Vault perimeter.
And in one margin, written between pressure equations and warning marks:
> "Midnight. They come when it's safest. When no one thinks anything's missing."
He circled the words. Tomorrow, he'd search for Layla.
And they'd follow the shadow.
Not for answers alone.
But for what had been removed—out of the system, out of the people, and maybe. out of his father.
---
Faris leaned against the algae basin chamber wall, each breath echoing in the cramped space between steel and blackness. The air inside the Vault always had a trace of filtered chlorophyll, but now a metallic odor predominated it—like the trace of blood or rust.
The hooded figure moved low, its body sliding with mechanical smoothness. A small light glowed in its palm, and gloved hands painstakingly tuned a valve. Not fixing it—no. Faris could tell that even from here. The figure wasn't maintaining the system. It was siphoning. Something was being siphoned.
His heart thundered behind his eyes.
The sound of a wrench on the pipe echoed in the echoing room, and Faris dared a glance around the corner. The figure opened a side-panel Faris had never spotted before. A length of rubber tubing curled out, vanished into the floor drain. He had no idea where the pipe led—but instinct screamed it wasn't standard procedure.
He relaxed into the darkness, hoping the dampness wouldn't betray him with one ragged breath.
From the edge of his vision, he saw the figure pause, stiffening like an animal catching the scent of a hunter. The light in its hand wavered. Thirty seconds passed in silence. Then the voice—gentle and cautious, through a mask.
"You don't belong here."
Faris froze.
The figure crept up slowly, no jerking movements, and stood before him. Faris hid in crouch position, but his heart was thudding so powerfully that it might shatter ribs.
"I will not call the League," the voice continued. "But if you're going to continue taking Vault breath, you must make a decision. You're either in the siphon—or the silence."
Faris remained stock-still.
The figure exhaled. "Suit yourself."
A metallic click echoed—a security latch slid back. Then the hooded individual backed away into the passageway, disappearing into shadows with a practiced ease. Faris hesitated, then hurried after and crouched beside the now-shuttered side-panel. It bore no markings. Whatever was going on here, it wasn't on any maintenance schedule.
He inched his fingers down the rim. New heat was still on the bolts. Residual heat in the pipes too. That meant a recent movement.
He traced the path of the tubing—it disappeared behind a dummy plate on the floor. He tried to pry it up, but it wouldn't budge.
And then something odd stopped his attention: a faint smear along the edge of the pipe, as though oil or biofilm. But when he brought his fingers to his nose, he pulled back.
It was brine—concentrated saltwater. Not the kind that flowed through algae tanks.
He blinked. Brine in a freshwater purification loop?
Someone was siphoning salinated water. Perhaps out of the Vault's off-limits lines. But where? And why?
A searing agony pierced in his chest.
His father told of "dead ends in the system," the routes that older parts of the Vault were not yet fully mapped. Too expensive to renovate, they said. Safe to close and forget.
What if someone had not forgotten?
---
Later that night, Faris sat alone in the archive alcove, staring at an empty display tablet.
Layla was already retired hours back, likely rolling her eyes at the League's "dinosaur neural drives" again. She didn't have the rhythm of this place yet. Or maybe she saw too clearly.
He placed his hand on the tablet and pulled up sensor history for the last 48 hours. Vault flowcharts glowed orange and blue on the screen—intake, filtration, routing, reservoir levels. He zoomed in on the line marked V-13X, the basin loop he had inspected before.
It was there, again. A 3% pressure volume drop, unexplained by sensor noise. It had occurred right when the hooded figure had stood over the pipe.
He double-checked it in the central logbook.
Nothing.
The entry had been rewritten. The system had logged a "routine recalibration." But his backup drive, a second sensor he'd installed himself—illegally—caught something else: an unrecorded water draw.
Faris sat back, tension heavy on his shoulders.
This was not sabotage. It was a system. Coordinated. Hidden beneath authorized protocols.
And it wasn't just water.
It was about access.
The thought gave him shivers. What if the siphon was not to be ingested inside at all? What if the League was selling it—off-Vaults? He'd heard rumors before. Whispers of off-dome dry-market sales in faraway domes. Black-market trade in clean water.
He remembered the man who warned him—removed for "delinquency."
He remembered last night's dream: his father drowning in sand.
They threatened Layla's mother.
That was what his dad's note had read. But Layla had never written anything regarding her family being attacked.
He opened up his private message stream and gazed at her contact tag hovering over the "compose" space.
But he sent nothing.
Not yet.
---
By the following morning, the entire Vault hummed with its usual rhythm. Steam puffed from vents, algae tanks bubbled with sterile green light, and children waited in line at hydration units with their encoded cups. But ritual no longer was seen by Faris. He saw a performance. A scripted dishonesty.
He approached Rahim's console mid-cycle, watching as the commander scrolled through records.
“Sir,” Faris began, trying to keep his voice even, “I think there’s a discrepancy in the V-13X loop.”
Rahim didn’t look up. “Sensor error. Already flagged and recalibrated.”
“I ran a secondary—unofficial—diagnostic. The draw doesn’t match any approved route.”
Now Rahim glanced at him. His eyes, dark and hard, studied Faris with clinical precision.
“You installed rogue sensors?”
Faris shifted. “For data verification.”
Rahim tapped his terminal. “Sensor variance is within tolerances. You’re chasing shadows.”
"Then why isn't the central log identical to the real-time feed?"
A pause. "Because real-time is noisy. We clean it so we can utilize it. You need to be focusing on authorized readings."
Faris hesitated. "Was my father studying this loop prior to—prior to the rupture?"
Rahim backed away slowly. "Your father passed away due to mechanical fatigue and procedural errors. I've told you this before."
"But he knew—
"Let it go, Faris." Rahim's tone grew cold. "Your father was a good man. Don't make him a ghost on a mission of myths."
Faris stepped back. His cheeks flushed, but not with warmth. With the lie.
He did not believe it. Not any longer.
---
That night, Faris returned to the basin. He brought Layla with him.
"What am I looking for?" she asked, gathering her curly hair into a ponytail. Her eyes played over the panel.
He had explained to him what he'd seen. What he'd found. The brine residue. The altered logs.
Layla knelt beside the panel and pulled out a small scanner from her sleeve. She ran it along the pipe seam. A beep.
"Non-sanctioned biocomposite," she said softly. "That valve wasn't built here. Someone built it. Installed it."
Faris's eyes widened. "So it's not a League installation?"
"Not in the books. But someone with clearance definitely did.".
Layla tracked the course of tubing. "You said it goes through the floor?"
Faris nodded. "To an old drain. I couldn't open it."
She stood up. "Then we'll need tools. And gloves. You're not bringing up slugged salt with your bare fingers."
Faris glanced at her.
"I think this is only the beginning," he said.
She smiled, trying. "I'd be let down otherwise."
Together, they walked deeper into the Vault, the air humming behind them. Shadows flickered in the glow of algae tanks, and beneath their feet, old tunnels waited. Silent. Patient.
Secrets didn’t stay buried forever.
Not when the water remembered.
- Writer
