AI The call had come in as a 10-42 at Camden - unattended death - but the coordinates they gave her weren't an address. They were maintenance hatch numbers.
Harlow Quinn stood at the service door behind the old locksmith's on Camden High Street, keyed in the code that dispatch swore would work, and found a constable holding a torch and trying very hard not to look like he wanted to be anywhere else.
"Ma'am," he said. "You can't get in without one."
"Without what?"
He held out his palm. In it sat a small yellowed disc, smooth at the edges, drilled through. A bone token.
Quinn stared at it. "You are kidding me."
"It's procedure now, ma'am. For this - place. The, uh. The Veil Market. The lads who found it say you need it to cross."
Eighteen years in the Met and she still got surprised . She took the token between thumb and forefinger. It was warm. She slipped it into her coat pocket.
The stairwell down was concrete and stank of piss for three flights and then, abruptly, it wasn't. The air changed. It went cold in a way that didn't belong to November, a dry, humming cold, and the fluorescent buzz overhead was replaced by strung lanterns that burned too white. The abandoned Tube station beneath Camden breathed around her, its tiled walls covered in chalk sigils and half-torn flyers advertising things Quinn knew damn well were illegal on the surface: dream vials, warded teeth, true names scribed on vellum.
The Veil Market. She'd heard whispers for two years. Every full moon it moved. Every full moon someone found a body close enough to it that the paperwork had to pretend it didn't exist.
The body in question lay in the middle of what had once been the northbound platform.
He was late thirties, pale, expensive coat now ruined with soot. No visible wounds from where she stood. Around him, the market stalls had been abandoned in a hurry - silks left hanging, jars overturned, one brazier still smoking.
"Detective."
Eva Kowalski was crouched next to the corpse, and that alone made Quinn's jaw tighten. Aurora's childhood friend. The occult researcher from the British Museum's restricted archives with her round glasses and her worn leather satchel full of books that Quinn had never trusted. Her curly red hair was pulled back messily and her freckled face was too pale under the lantern light. She tucked a loose curl behind her left ear - a nervous habit Quinn had catalogued the second time they'd met.
"Kowalski," Quinn said. "What part of crime scene do you not understand?"
Eva stood up too fast. "They called me. Because of where he was found. Detective - she/her - Harlow, listen, you can't write this up normal."
The constable from upstairs was hovering at the top of the platform steps. A second uniform, DS Patel , stood near the body holding a notebook. Patel was good. Young, eager to please.
"What have we got?" Quinn asked, ignoring Eva.
Patel flipped his pages with military precision that Quinn approved of despite herself. "Victim is Thomas Bell, thirty-eight. Known fence, работает в — worked mostly in enchanted goods. Banned alchemical substances. Regular here, apparently. Stallholders say he argued with someone around one a.m., deal gone wrong. Cause looks like cardiac. Overexertion? Fear? No marks."
"Robbery?" Quinn asked.
"That's the thing," Patel said. "His pockets are full. Wallet, cash, product. But the sigils -"
Quinn stepped closer. The ground around Bell's body was scorched in a perfect circle, maybe six feet across. The black mark stopped dead at his shoes. Inside the circle, etched into the grime of the platform tiles, were symbols that made her teeth ache to look at.
"That's the warding," Eva interrupted, unable to help herself . "It's not supposed to be possible to die inside a closed circle. Especially not like this. If the circle is intact, nothing gets in. So it has to be natural causes. Or suicide, maybe. He triggered something himself."
Patel nodded. "My thought exactly, ma'am. Looks like he drew the circle, got inside, then had a heart attack. Drug use, maybe. The brazier - there were residues. My cousin's kid had a fit off the junk they sell here."
Quinn didn't answer. She checked the worn leather watch on her left wrist. 2:47 a.m. She'd been up since five.
Something was wrong.
She crouched, knees popping. Her closely cropped salt-and-pepper hair caught the lantern light as she leaned in, her sharp jaw set. She did not touch the body. Not yet.
"Tell me again what you see, Patel ."
"Unattended death, ma'am. Man has a row, gets scared, draws a protection circle. Dies of natural causes inside it. No entry, no exit broken."
"And the bone token?" Quinn asked.
Patel blinked. "What?"
"The entry requirement. You need a bone token to get into the Market. Where's his?"
Patel looked down at the body. Eva did too.
Bell's hands were empty. His coat pockets, when Patel had listed them, had contained wallet, cash, product. No token. Quinn stood and walked the circle slowly , keeping her boots outside the soot line. Her bearing had always been military - DS Morris used to take the piss out of her for marching even to the canteen - but now it served her. Each step measured .
"He's not wearing a market charm either," Quinn said quietly. "No iron, no salt packet. Everyone who works here wears something. Superstitious lot."
"Maybe he lost it," Patel offered.
"In a perfect circle that nothing can cross?"
Eva made a soft sound. She had taken her satchel off her shoulder and was rummaging . "Harlow - Detective Quinn, you have to consider that this place isn't - it's not logical like that. The rules are different. The compass -"
"What compass?"
Eva pulled out a small brass compass. Even from two feet away Quinn could see the casing had a patina of verdigris, green blooming over the brass like mold. The face was not marked with N, S, E, W, but with tiny, intricate sigils etched into the metal.
"The Veil Compass," Eva said. "Crafted by a Shade artisan. It points toward the nearest supernatural rift or portal. If there was a rift opened here, if something came through -"
"Put that away," Quinn snapped.
Eva didn't. She held it flat over the body. The needle, which had been spinning lazily , snapped due north and then trembled , pointing not at the body, but at a point about three feet above it . At empty air.
"Look," Eva whispered, tucking hair behind her left ear again. "There's still residual energy. He did open something. Or something opened for him."
Quinn looked at the needle. Then she looked at the soot circle. Perfect. Too perfect . Like it had been drawn with a compass. Real people - scared people doing warding in a filthy abandoned Tube station in a hurry after a bad deal - their circles were jagged. They smudged. They used their shoes.
She leaned in closer, over the line. The soot wasn't soot. It was cold.
And inside the circle, embedded in the tile, half under Bell's left shoulder where Patel 's torch hadn't hit it yet, was a second set of marks.
"Lights," Quinn said. "All of them. On the circle."
Patel directed his torch down. The harsh white caught it. Beneath the soot, scratched deep into the platform tile itself, was another circle. Older. Fainter. And the new soot circle wasn't centered over it. It was offset by an inch.
Quinn smiled, but it wasn't a kind expression.
"He didn't draw this circle to keep something out," she said. "He's lying in someone else's circle."
Eva crouched instantly, her green eyes wide behind her round glasses. "Oh. Oh hell."
"Someone lured him in," Quinn went on, her voice dropping low as she worked it through out loud. "Told him to stand here, right on this spot. The old circle - that's the real one, that's been here since the station closed. That's the one that's actually warded. Then while he's standing there, scared out of his mind, his killer walks around him and pours this - what is this? Salt? Sulphur? - in a second circle around him. Our victim thinks he's safe. He's not. He's trapped. The real warding is a foot out from where he thinks it is."
Patel frowned. "But how does that kill him?"
Quinn finally pulled on gloves. She lifted Bell's left hand. His fist was clenched tight. She had to work the fingers open.
In his palm sat a small brass object identical to Eva's. Another Veil Compass. Its needle spun wildly, never settling, its face etched with protective sigils now cracked down the center from heat.
"Because his compass told him there was a rift right here," Quinn said. "And when you're standing inside a genuine warded circle on top of a thin spot, and you stare at a portal you think is about to open and eat you - well."
She let the compass clatter to the tiles inside the soot mark.
"Your heart gives out. No forced entry. No poison. Just fear. And a man who knew exactly how much this market believes its own bullshit."
Behind her, Eva was silent, holding her own compass with white knuckles, its needle still pointing at the empty, hungry air above Thomas Bell's body.
Quinn stood, checked her watch again, and pulled out her radio.
"Get forensics down here," she said. "And get me every sale of Veil Compasses in the last two weeks. Someone wanted this to look like natural causes. They almost had me fooled."