Sunblind

Chapter 1: The Fall

The body hit the grating forty meters below with a sound Johanna Richter would never forget—a wet, percussive finality that echoed up through the ventilation shaft like a drumbeat played once and then swallowed by silence.

She was the one who found him.

She'd been running late for her shift rotation, boots clanging against the catwalk on Level Five's eastern maintenance corridor, when she noticed the safety rail had been bent outward near Shaft 11-C. The mesh cover that should have been bolted over the opening was missing entirely. She leaned over the edge, her headlamp cutting a pale cone into the darkness below, and the beam found Henrik Falk's crumpled form draped across a crossbeam like a discarded rag.

"Henrik!" Her voice bounced off corrugated walls. "Henrik, can you hear me?"

Nothing.

She grabbed the emergency intercom mounted on the corridor wall and punched the red button. "Medical to Shaft 11-C, Level Five East. We have a fall. Repeat, we have a fall."

The response came in the flat, unhurried cadence that characterized every official communication in the Bore: "Acknowledged. Dispatch in progress. Remain at your location."

Johanna gripped the bent rail and stared down. Henrik's headlamp was still on, its beam pointing sideways into the shaft wall, illuminating a patch of riveted steel. His left arm was bent at an angle that made her stomach lurch. She'd seen injuries before—pipe-fitting on Level Five was dangerous work, full of pressurized lines and corroded joints—but Henrik had been climbing these shafts since before she was born. He knew every handhold, every weak rung, every spot where condensation made the metal slick.

Henrik Falk did not fall.

The thought arrived unbidden, and she pushed it away. People fell. The Bore was two centuries old, and despite constant maintenance, entropy was winning. Rust ate through bolts. Welds cracked. Ladders shook loose from their moorings. Every year, the accident reports grew longer.

But Henrik had taught her to check her clips three times. Henrik had made her practice blind descents until she could navigate by touch alone. Henrik Falk, who could diagnose a pressure leak by listening to the way air moved through a joint, did not simply fall.

The medical team arrived twelve minutes later—two women in gray coveralls carrying a collapsible stretcher and a trauma kit. Johanna watched them descend on rappelling lines, efficient and expressionless, and she watched them check Henrik's pulse and exchange a look that confirmed what she already knew.

They brought him up in a body bag.

---

The Bore was not a place that encouraged grief. It encouraged function.

Twelve thousand people lived in a cylindrical city carved into bedrock, seven levels deep, each level a self-contained ring of habitation modules, workshops, hydroponic bays, and recycling plants. The air smelled perpetually of metal and ozone and the faintly sweet chemical tang of the nutrient solution that fed the grow-tanks. Artificial light came from banks of LEDs mounted in ceiling panels that cycled through a simulated day-night rhythm, though the "daylight" was always slightly too blue and the "night" never quite dark enough.

Level One sat closest to the surface, housing the Council of Engineers and the administrative apparatus that kept the Bore running. Level Seven was the deepest—restricted, industrial, accessible only to authorized maintenance crews. Most citizens spent their entire lives on their assigned level, moving laterally through corridors that curved gently with the cylinder's circumference, rarely venturing up or down the central stairwells and cargo lifts that connected the Bore's spine.

Johanna lived on Level Five, which meant she was two levels above the bottom and four below the top—a middle-ground existence that suited her fine. Her quarters were a four-by-three-meter compartment with a fold-down bunk, a storage locker, and a small desk bolted to the wall. She shared a communal washroom with eleven other residents of Block 5-East-14. Privacy was a luxury the Bore did not provide.

After the medical team took Henrik away, Johanna returned to her quarters and sat on the edge of her bunk and did not cry. She wanted to. Henrik had been her mentor for nine years, ever since she'd been assigned to the pipe-fitting corps at sixteen. He'd taught her to read pressure gauges, to cut threads in darkness, to trust her hands when her eyes couldn't help. He'd been gruff and particular and occasionally kind in ways that surprised her—leaving a packet of real tea on her workbench after she'd pulled a double shift, or telling her, in his clipped way, that her weld work was "not terrible," which from Henrik was practically a declaration of love.

She pressed her palms against her eyes and breathed.

A knock on the compartment door. She opened it to find Tomas Gruber, the shift supervisor, holding a metal toolbox.

"Henrik's effects," he said. "You're listed as his designated heir. Council protocol."

Johanna took the box. It was heavy—Henrik's personal toolkit, the one he'd carried for decades, its surface worn smooth by use. "What about his quarters?"

"Already reassigned. You know how it works."

She did. Space was precious. The dead were cremated within twenty-four hours, their ashes fed into the nutrient recyclers. Their belongings were distributed according to a will filed with the Council, or, absent a will, divided among their work crew. Henrik had apparently filed paperwork naming Johanna as his sole beneficiary.

"There'll be a review," Tomas added. "Safety inspection of Shaft 11-C. Standard procedure."

"Standard procedure," Johanna repeated.

Tomas gave her an awkward nod and left.

She set the toolbox on her desk and opened it. Inside, arranged with Henrik's characteristic precision, were his pipe wrenches, his threading dies, his pressure tester, his soldering kit, and a dozen other tools she recognized by sight and feel. She ran her fingers over them, feeling the grooves Henrik's grip had worn into the handles.

Then she noticed the false bottom.

It was subtle—Henrik would have been ashamed of anything obvious. The interior of the box was slightly shallower than the exterior dimensions suggested. Johanna pulled out the tool tray and pressed along the base until she felt a seam. She worked a flathead screwdriver into the gap and pried upward.

Beneath the false panel lay a folded sheet of drafting paper, yellowed with age, covered in Henrik's meticulous hand-drawn lines. It was a map.

Johanna unfolded it carefully. The Bore's seven levels were depicted in cross-section, the familiar cylindrical architecture rendered with an engineer's precision. But the map showed passages she'd never seen—narrow conduits branching off from the main shafts, running laterally through rock that, according to every official schematic she'd ever studied, was solid. These hidden corridors connected levels in ways the central stairwells and lifts did not, bypassing checkpoints and security stations.

And at the bottom, below Level Seven, the map showed something else: a rectangular shape, drawn with heavy lines and labeled in Henrik's careful handwriting.

*The Door.*

Johanna stared at it for a long time.

---

Everyone in the Bore knew the story. It was taught in the crèches, repeated in the commons halls, reinforced by the grainy camera feeds that played on monitors throughout the city.

Two hundred years ago, the surface had been consumed.

The official history called it the Bloom—a self-replicating fungal organism, engineered as a bioweapon during the Resource Wars, that had escaped containment and spread across every landmass within eighteen months. It devoured organic matter with terrifying efficiency, reducing forests to gray sludge, turning farmland into fields of pale, fibrous growth that released toxic spores into the atmosphere. The air became unbreathable. The water became poison. Civilization collapsed in waves.

The Bore had been built as a government continuity shelter, designed to sustain a population of ten thousand for up to fifty years while the surface was decontaminated. Fifty years became a hundred. A hundred became two hundred. The decontamination never came. The Bloom, according to the Council's scientists, had proven far more resilient than anyone predicted. The surface remained lethal.

The camera feeds confirmed it. Every commons hall had at least one monitor cycling through images from surface cameras: a blasted landscape of gray-white fungal growth stretching to the horizon, the ruins of buildings barely visible beneath layers of organic matter, the sky a sickly amber haze. The feeds were grainy, shot through with static, but the message was unmistakable. Up there was death. Down here was life.

Johanna had never questioned it. No one she knew had ever questioned it. The Bore was the world. The surface was a graveyard.

But Henrik had drawn a map to a door.

She refolded the paper and slid it into the inside pocket of her coveralls. Then she replaced the false bottom, closed the toolbox, and sat in the blue-tinged darkness of her compartment, thinking.

Henrik had been careful. Henrik had been secretive. Henrik had known about passages that weren't supposed to exist, and he had drawn a route to something at the bottom of the Bore that someone had gone to considerable trouble to hide.

And then Henrik had fallen.

Johanna pressed her palms against her eyes again.

She needed to talk to someone. But who? Henrik had been her closest friend in the Bore—her only real friend, if she was honest. She was not a social person. She liked pipes and pressure systems and the quiet satisfaction of making things work. She did not like commons hall gatherings or the forced camaraderie of the recreation shifts. She had colleagues, not confidants.

Except Henrik.

And Henrik was dead.

She pulled the map out again and studied the route from Level Five to Level Seven. It passed through two hidden passages, bypassed three security checkpoints, and descended through what appeared to be an abandoned mining shaft that predated the Bore's construction. The route was annotated with small notes in Henrik's handwriting: *Grate loose—hand-tighten only. Camera blind spot—20 sec window. Guard rotation: 0300-0315.*

Henrik hadn't just mapped these passages. He'd been using them.

For how long? Years, possibly. Decades. The notes were written in different inks, some faded, some fresh. Henrik had been making this journey repeatedly, updating his intelligence, refining his route.

And he'd never told her.

That stung more than she expected. Nine years of working side by side, and he'd kept this from her. But she understood why. Whatever was at the bottom of the Bore, whatever "the door" was, it was dangerous enough that knowing about it had gotten him killed.

Johanna folded the map and put it away.

She would find the door. She owed Henrik that much.

But first, she needed to understand what she was walking into.