They didn't take a tram.
Not a public one, anyway.
Patch led them down a narrow underground service corridor that sloped gently instead of descending outright, the walls close enough that Mara's coat brushed against flaking paint. The air grew cooler with every step, damp with the smell of old power conduits and standing water.
At the end of the corridor sat something that looked like it had been forgotten on purpose.
A flatbed rail cart, squat and industrial, its frame scarred with weld marks and stamped serial numbers that had been scratched out and restamped more than once. No windows. No seats. Just a reinforced platform with waist-high railings and a recessed control spine running down the center like a spinal cord.
Mara stared at it. "That's our ride?"
Patch hopped up onto the platform with easy confidence, boots ringing dully against metal. "She's beautiful, isn't she?"
"That's a maintenance carrier," Mara said. "For hauling equipment."
"Was," Patch corrected. "Now she hauls people who don't want to be logged."
Gray stepped up beside Mara. "It's quieter than trams."
"And slower," Patch added cheerfully. "Which means fewer recalculations. The city hates recalculating."
Mara climbed up, gripping the cold railing. The metal vibrated faintly beneath her palms, like the cart was already awake.
Len followed last, stepping aboard without a sound. He crouched at the control spine and unfolded a compact interface that projected a dim, stuttering schematic into the air.
"This line predates modern routing," he said calmly. "It exists between the official and the unofficial."
Patch laughed. "That's one way to put it."
Mara shifted her weight as the cart gave a faint shudder. "Where is this taking us, exactly?"
Gray answered first. "Shadow Lane."
The name meant nothing to her.
She turned to Len instead. "What's Shadow Lane?"
Len paused his hands. Just for a second. When he looked up, his eyes met hers directly.
"It's where the city chooses not to look." he said.
"That doesn't help."
Patch leaned back against the railing. "Think of it like a bruise. Not officially acknowledged, but everyone knows where it hurts."
Mara frowned. "So it's… underground?"
"Conceptually," Len said. "Not geographically."
She blinked. "That makes even less sense."
Len straightened, folding the interface away. "Shadow Lane isn't ignored," he explained. "It's tolerated. The directorate allows certain things to exist there because dealing them would cost more than letting them rot."
"What kind of things," Mara asked.
Len considered her. "Unlicensed trade. Memory splices. Off-ledger people. Systems that don't report cleanly."
Mara's grip tightened on the railing. "Illegal."
Patch snorted. "Illegal is what happens when you get caught."
Gray cut in quietly. "Shadow Lane is the last place you can stand before the south underline. Not a place for the weak."
"The literal edge of what's considered 'normal' in the city." Patch pitched in.
The cart hummed louder as power surged through it. The rails ahead glimmered faintly, disappearing into a tunnel that didn't look properly aligned with the walls around it.
Mara's stomach dipped.
"People live there?" she asked.
"Live," Patch echoed, amused. "That's generous."
"They survive," Len corrected. "Until they don't. It's where all the 'unwanted' filth of the city stays."
Patch moved behind Mara, reaching past her to secure a harness around the railing. Her hands were quick, practiced—and close enough that Mara stiffened despite herself.
"You tense up every time I get near you," Patch murmured. "You think I'm going to bite."
Mara shot back, "You keep acting like you might."
Patch grinned. "I might."
Gray cleared his throat sharply. "Focus."
Patch stepped away, hands raised. "Always ruining my fun."
The cart lurched as Len powered it on. Not a smooth acceleration—more like a reluctant awakening. The rails ahead sank slightly, angling into darkness.
Mara felt it then—not fear, exactly. More like pressure. Like the city was leaning away from them.
"This doesn't feel like a place people come back from," she said.
Len's voice was calm. "Most don't."
"That's not reassuring."
The cart rolled forward.
At first, it moved slowly, the sound a low grind that vibrated up through Mara's boots. Then the speed increased—not dramatically, but enough that the tunnel lights smeared into elongated streaks of amber and red.
Mara tightened her grip on the railing.
The keepsong chimed once—low, uncertain.
Gray noticed immediately. "You alright?"
"I don't know," Mara admitted. "It feels like the city's… slipping."
Patch tilted her head, watching the tunnel walls as they subtly warped, angles misaligning by fractions. "That's just the harmonics lagging. You'll get used to it."
"I don't understand what that even means. Why does everyone here speak in such a cryptic way?" Mara muttered.
Nobody replied to her question as though answering would put them in danger.
The cart dipped suddenly, rails dropping into a deeper section.
Mara forced herself to breathe steadily, the weight of the leather coat grounding her. She stared ahead into the tunnel, where the light thinned and the air seemed to press closer.
Two cycles ago, she'd avoided trams when they ran late.
Now she was riding a forgotten rail toward a place the city only half-remembered on purpose.
The cart slowed. The rails angled upward towards a dull lit opening. An arch with an old, broken frame and sensors. Fragments of what seemed to be a checkpost.
Len rose smoothly to his feet. "Shadow Lane in thirty seconds."
Patch straightened, all playfulness snapping into something sharper. "Welcome to the edge."
Mara swallowed.
Her reflection flickered briefly in a metal panel—long coat, unfamiliar posture, eyes too alert.
She didn't look like herself anymore.
The cart rolled on.