On the night side of Saturn, the rings sound like rain if you tune the filters just right. Not like Earth rain—no patter on rooftops, no gulls crying over a harbor—but a soft hiss that stitched itself into the bones of the tug Kestrel and into the bones of anyone awake to hear it. Out here, the ship lights were dimmed to dusks and embers, the cockpit a cave with windows cut into the cold. Saturn’s shadow swallowed half the sky. The other half glowed with the pale fire of a billion icy stones, each one spinning, colliding, drifting with a grace that would pulverize you in a second if you misjudged the math. Zahra Adel had been awake long enough for her tongue to go dry under her gums and for the inside of her helmet collar to smell like coffee and ozone. Her harness kept her anchored, but the hum of the ship made her fingers tap restless beats on the console. She was supposed to be practicing the starboard sweep—ping, identify, tag, report—but the sweep had yielded nothing bigger than a snowball for three hours. She’d run diagnostics twice. She’d taken notes with neat little bullet points like her training supervisor at Kermanshah Orbital liked, even though Captain Mirza never read them so much as watched her while she wrote, a man who believed the posture of a cadet’s shoulders told him more than any report. “Take a breath, Zahra,” he said. Captain Mirza murmured from the pilot’s cradle without looking over. He had that way of keeping his voice low enough that it didn’t feel like an order. More like a reminder you’d already given yourself. “I am breathing,” Zahra said, and then a loop of the rings’ hiss caught on the edge of hearing and snagged into something that wasn’t the rings at all—three tones, then silence, then two, then a long, drawn-out hum like someone dragging a fingertip around the rim of a crystal bowl. The Kestrel’s onboard intelligence, Parallax, folded the sound across a set of spectrums. “Unregistered transponder activity,” Parallax said. Its voice was Neutral Human as selected by whoever programmed it, genderless and threaded with a patience that some cadets found eerie and Zahra found reassuring. “Source within the B ring. Narrowband. Old encoding.” Zahra’s heartbeat tried to outpace the ship’s cooling system. “Not a mining drone?” “Not registered to Paradise Mining, Mercury Tractor, or independent prospectors within a three AU radius. The encoding resembles Earth Unified Space Agency patterns used approximately two centuries ago.” A pause. “There is also a voice.” Zahra’s mouth went desert-dry. She turned up the audio. Through static, a distortion of the three-tone call again, and then her name. Not a guess. Not a coincidence. It threaded through the filters in a voice she knew from the inside out. “Zahra Adel,” it said, with that exact way she clipped the R when she was focused and trying to sound calm. “Flight log entry five-one-four.” She felt it like an invisible hand on the back of her neck. “Captain.” Mirza exhaled through his nose. The pale light from the rings cut his fingers into long shadows across his own console. “Parallax, locate the source.” A constellation of marks bloomed on Zahra’s forward display—calculations threading together like a star chart doodled by an impatient god. Parallax laid down a translucent cone that bored into the dense regions of the B ring. “Twenty-three kilometers. Partially occluded by ring material and shepherd debris. Velocity relative to us is nominal. The object is stationary, or nearly.” “Nothing stationary in the rings,” Mirza said, but he was already trimming thrusters. Outside, the black, amber, and pearl of space tilted. The Kestrel angled toward a gap in the glittering plane. Zahra kept her hands light on her controls, translating Parallax’s quiet data into their path. She’d learned to fly in simulators that represented space as gorgeous and abstract. The rings were neither. They were precise. They were brutal. Boulders of ice the size of vans drifted in laminar waves she could almost read like music, and then the music shifted because of a moonlet’s tug, and she had to revise her notes mid-beat. Mirza didn’t say slow down. He didn’t say speed up. He let her do the calculus and not be perfect at it. “You’re thinking loud,” he said after a breath. “Because that is my voice.” She almost said because that is my voice and my name and my flight log number, which she hadn’t recorded yet because she was not recording anything yet. She swallowed the rest. “What if someone’s spoofing us?” “Then we learn something about who spoofs salvage crews at the edge of Saturn’s shadow.” Mirza’s smile was wry and not unkind. “Keep us between the scatter and the source.” The rings’ hiss sharpened with their speed. The gap Parallax had marked wasn’t a hole so much as a thinness, a place where iceweight had been disturbed and hadn’t settled. The Kestrel skated through on jets of light, and suddenly there it was: a spindle of a ship pinned like a needle under frozen threads, its hull a long-remembered pale gray gone almost black by dust. Light skimmed its edges and would not stick. Along the curve of its belly, ghost letters once painted in clean white had been scored by micro-impacts and time until they were barely more than strokes. Zahra squinted and let Parallax’s enhancement stand in the air before her. HIRAETH, it said. And under that, smaller: EU-5414. She mouthed the word. Homesick. A ship named after longing. Old, she thought. Too old to be here. “Parallax, check registry.” “Comparing designation. EU-5414 corresponds to an unlaunched exploration prototype filed in EUSA archives and canceled prior to construction. The name Hiraeth appears in early-stage proposals only. There is no record of this ship being built.” A light pause, as if Parallax had opinions about paperwork. “And yet it exists.” “Like most things we trip over,” Mirza said. His eyes reflected the pale glamor of the rings. “Mass?” Parallax obliged, and the numbers fell into place in Zahra’s head—weight and inertia and all the quiet implications of what the hull could take and what it could not. “She’s thin,” Zahra said. “A good sneeze would buckle her.” She leaned closer. “But why would an unlaunched prototype be sitting inside Saturn’s rings with an active transponder and my voice on loop?” She realized she’d whispered the last part. Her cheeks heated. “That was rhetorical.” “Noted,” Parallax said. “There is negligible heat signature. Electrical potential remains in some lines. Radiation levels acceptable. I am detecting a faint field, consistent with contained charge.” “Claim rights?” Mirza asked without inflection. Across Zahra’s display, legal frameworks unfolded in tidy, relentless lines. Unregistered derelict, mass under threshold for self-claim, found in nonrestricted space. They could plant a beacon. They could call it in. They could wait for a bigger crew to come for the big payday while they sat on their hands and let someone else put their name on the first log. “Captain, that is my name.” Her mouth shaped the words slowly, firmly. “And that is my voice.” The loop played again, threading through static and frost. “Zahra Adel. Flight log entry five-one-four.” Then a breath, faint, as if the speaker had been thinking what to say next and never got to say it. Mirza’s brow creased. He was not a man who spooked easily, and he did not look spooked now. He looked like he was considering the shape of the next hour and whether to hand it to his cadet. “We have forty-seven minutes before the ring dynamics change enough to make this a very poor neighborhood,” he said. “We go in, we keep the tether alive, we keep Parallax in our ears, and if I say out, we’re out.” Zahra’s teeth clicked together around a breath she hadn’t realized she’d been holding. “Yes, sir.” He nodded at her gloves. “Take the good cutter.” They slid along the derelict’s broken flank, the Kestrel’s maneuvering jets painting invisible fans in the vacuum. Up close, the Hiraeth looked less like a ship designed and more like a thing grown into the shape of a ship out of someone’s sleepless sketches—a narrow spine, ribbed with delicate girders, panels bent like leaves. The docking collar was an antique oval outlined in a halo of frost. Someone, at some point, or something like time and pressure, had gouged lines across it, not random but written by a hand that had needed to write quickly. “Parallax, enhance,” Zahra said, aiming her suit lamp. The light printed the scratches into clarity. DO NOT OPEN, said the top arc, in English, block capitals. DO NOT LET HER IN, said the bottom. The pronoun was angular and sure, signed like a warning carved into a tree in a forest you shouldn’t be in. Between them, small, low, the letters Z. ADEL were etched, shallow and wobbly as if made with a blunt tool and trembling hands. Zahra swallowed. Her name looked smaller than she felt. “Who wrote that,” she said, and realized she’d meant to sound detached and failed. “Language and letter formation match your current handwriting approximately eighty-two percent,” Parallax said softly. “Accounting for variable conditions and tools.” “Thank you for the comfort,” Mirza said dryly. Zahra clipped into the tether, felt the tug on her suit’s spine. The cutter hummed in her right hand, a viper’s hiss caged in metal. Her left palm settled on the docking collar. Frost crackled under her glove. The cold came through in a way that made her teeth ache. The letters Z. ADEL shimmered with a thin sheen of hoarfrost. The O of DO NOT OPEN had been deepened so many times the tool had slipped and scarred the metal beyond neatness. “Parallax,” Zahra said, fighting to keep her voice steady, “scan for pressure differentials and particulates.” “Internal atmosphere a whisper above vacuum,” Parallax replied. “Trace volatiles present. Unknown organics detected at levels that would present as a scent if exposed to your suit filters.” It paused. “The scent profile aligns with late-summer soil after rainfall.” Zahra laughed once, startled and brittle. “That’s impossible.” She had never set boots on Earth. She’d learned petrichor from recorded lectures and poems. “Many things are impossible before they occur,” Parallax said without judgment. Mirza’s voice came over her channel, steady. “Your call, Cadet.” Her call. The words felt like a weight placed carefully in her hands. Zahra brushed her thumb over the carved initials one more time, then slid the cutter’s tip to the edge of the docking collar’s manual release. The cutter’s heat bloomed through the metal, and the frost hissed away like breath on glass. She worked the old mechanism in patient arcs, counted from one to sixty under her breath, made herself listen to every second. “Zahra,” said the voice again from the transponder. Softer this time, like a close echo in a small room. “Listen to me.” She stilled. “Parallax, source.” “Hard to pinpoint,” Parallax said. “It’s beginning to bleed into secondary systems. It may be caching in the old wiring.” She cut the final clasp. The docking collar shifted infinitesimally, a sigh through metal. The Kestrel’s seal married to the derelict’s with a hollow clap. The lock status blinked from red to amber to— “Hold,” Mirza said sharply. Amber held steady. Amber had always been Zahra’s least favorite color. Yellow was caution; red was finality. Amber was the color of almost, of hesitation, of a story that could still go either way. She reached up and toggled her helmet filters to open the scent feed to ninety-five percent. If Parallax was right, if any of this was right, she would smell rain she had never known. Something slid across the other side of the hatch. Not loud. Not theatrical. Just the sound of a weight shifting where there had been none before. The lock flicked to green. “Parallax?” Mirza, again, with that edge he reserved for things that made the hair rise on the back of his neck. “Life-signs ambiguous,” Parallax said. “There is an interference pattern in my readings consistent with—” It stopped, recalibrated, chose a different route. “Unknown.” The inner hatch eased open against Zahra’s boots with the slow gravity of old doors in old houses on planets with weather. A sliver of air, warmer than it had any right to be, touched her suit and slid into her filters. The first hint of scent was dust. Then green. Then something like the breath after thunder. And then, from the thin darkness of the derelict’s corridor, a beam of light lifted like a chin and found her visor. Her own helmet lamp stared back at her from the other side. “Zahra,” said Zahra’s voice, not from her audio but from within the opened darkness, as calm as a message recorded because someone knew the person on the other end would be shaking. “If you’ve come this far, you need to run.”