Chapter 5: The Blueprints

Fred stood in the doorway. His eyes moved between Jarrin and Jazz with the focus of a man who had just watched a magic trick and decided he wanted to learn how it was done instead of just being impressed. The Stands hung visible around them, Jolly Roger's white silhouette to the left and Poker Face's white-haired figure to the right, both of them solid and unmistakable in the study's dim light.

"Explain," Fred said. Two syllables. That was all it took from him to make a demand sound like an instruction.

Jazz crossed her arms. The cards in her hand disappeared back into her jacket pocket. "You saw what happened out there. We just saved your life, actually. Your friend Shaggy and the dog both. You owe us a debt, and right now I'd say the most polite thing you can do is give us some space."

Fred didn't move. "The first body was found in a hallway that locked itself. The second body was in a room with no doors and no windows. The dock that connected this island to the mainland is gone. And that thing in the hallway, the one with the mechanical fingers, it weaponized every pipe and wire in the building." He paused. "You told me you were late to the party. You said GPS malfunction. Jarrin. You got lost."

"I get lost all the time. It's a gift."

"You also didn't answer to your real name at the party." Fred looked at Jazz. "Jazz. Who's Jazz?"

"Nobody important."

"And neither of you knew the party was supposed to start at nine. You walked in at eleven-fifteen. That's not GPS error. You knew about this party beforehand."

Jarrin leaned against the bookshelf. He wanted to say something clever and he knew it wouldn't land, but the alternative was answering Fred's questions directly, and Fred's questions were the kind that opened doors once the hinge was turned. "Maybe we knew. Maybe we didn't. The fact is we're here now, we just disabled the killer's Stand, and the guy is running through a shifting house with half his toolkit gone. Your move."

Fred looked at the lock marble still pressed against the doorframe. He looked at Jarrin's hands, at Jazz's boots, at the space where Jolly Roger had been standing before the killer's escape. The analysis was happening behind his eyes. Jarrin could practically hear it, the steady methodical process of a man building a picture from evidence.

"Three locked locations," Fred said. "Trophy bubbles. A vanishing dock. A mechanical Stand that travels through infrastructure. A mansion where the walls rearrange themselves." He took a breath. "The killer has been in this house for weeks. Maybe longer. The trophy bubbles suggest he's been collecting evidence of his kills in advance, which means he planned this before he killed anyone. The dock disappearing means whatever is controlling this house has been isolating it for a while. Weeks, probably." He looked at Jazz. "You know what a Stand is."

"Yes."

"And you know what's happening to this building."

"Yes."

Fred nodded once. He folded his arms again, though this time the gesture was less defensive and more tactical. "I helped plan the layout of this party. The floor plans. Where the bar would go, where the photo wall, the costume stations, and the east wing corridor where the first two guests got their rooms. I have the original blueprints in my office on the ground floor. The mansion was built in 1897 by a shipping magnate named Hargrave. The layout is documented, including basements and service corridors that don't appear on any public map." He looked at Jarrin. "The killer used the mansion's infrastructure as weapons. Pipes, wires, outlets. He knew exactly where every conduit ran."

Jazz studied Fred. The look she gave him was the same one she used when reading a table, measuring angles and distances and trying to calculate how much leverage she had. "You're asking us to trust you."

"I'm asking you to use me." Fred straightened up. "I know this house. I know where its bones are. You have the powers. We combine them, we find him before he finds anyone else. Daphne is still upstairs. Shaggy and Scooby could be anywhere. Velma is probably already trying to figure out the physics of how a dog tracks a scent through a house that changes shape. We don't have the luxury of working in separate units."

The logic was sound, and Fred knew it was sound. The man had spent years solving mysteries by assembling fragments into a picture, and right now the fragments were all there. "We move as a group, five of us, we cover more ground. We don't split up, which means we don't lose anyone to a hallway that rearranges itself under our feet. The killer lost his Stand's connection to the pipes and wires, which means he's walking around blind in a house he designed his attack strategy around. He's vulnerable."

Jarrin looked at Jazz. She was already nodding. She had decided, and once Jazz decided something, the only variable left was how far she intended to push it. "Fine," she said. "We go with Fred. But if he tries to double-cross us, I have a card with his face on it that can fuse his face to a wall."

Fred blinked. "I'll take that as a warning."

"Take it as a fact."

They left the study. The hallway outside had shifted again, with the walls breathing their slow rhythm and the floor tilting in a way that made Jarrin's stomach drop every time it happened. Fred took the left turn, the one that according to the current layout led toward the east wing, but Fred didn't hesitate or check a wall for a door he expected to find. He walked straight, and after twenty feet the corridor narrowed into something that wasn't supposed to exist on the second floor.

"A service passage," Fred said. "Runs from the east wing to the sub-basement. The party planning didn't require access to it, so I didn't include it in any of the walking directions I gave the guests." The passage was low, with pipes running along the ceiling, and the air smelled like dust and old metal. Jazz's hand found Jarrin's arm. She pulled him close without looking at him. The cards were back in her jacket. The lock marble was gone, spent on the study door.

Fred led them down stairs that spiraled beneath the foundation. The steps were concrete and cold, and every third step had a crack running through it that had been patched with something older and rougher. The walls pressed in close. Jarrin's shoulder brushed the left wall twice before the passage opened into a room.

The workshop took up the full width of the basement. Tools lined every surface, organized with an efficiency that made Jazz stop walking. Lock picks, electrical components, wire strippers, soldering iron, multimeter, screwdriver sets in calibrated sizes. The workbench at the center held a partially disassembled electrical panel, wires routed through a network of hand-drilled holes in a plywood board that had been mounted to the wall. Each hole corresponded to a pipe junction in the mansion above, marked with numbers that matched a system Jarrin couldn't quite read from where he stood.

Jazz crouched beside the workbench. She ran her fingers along the edge of the plywood board. "This is custom work. Nobody drilled these holes with a hand drill. These were made with a drill press, calibrated to half a millimeter. Whoever did this had professional tools and professional training." She looked at Fred. "You see this?"

Fred was already at the far wall, pulling journals from a shelf. Leather-bound notebooks, maybe six or seven of them, stacked with pages thick enough to suggest months of writing. He opened the first one and began reading. The handwriting was precise, every letter formed with the care of someone who believed handwriting was a form of intelligence.

"This is where he worked," Fred said. "He's been modifying electrical components to tap into the mansion's infrastructure. The panels, the junction boxes, the meter lines. He built a network. Every pipe and wire in this house was a channel he could send energy through." He turned a page. "These journals document the evolution of his Stand. It started small. He could sense the electrical current in a single pipe. Then he could send a pulse through a single outlet. Within a week, he'd mapped the entire system and built his targeting grid." He stopped reading. "He's been here for three months."

"Three months," Jazz repeated. She picked up one of the modified junction boxes from the workbench. The casing had been stripped and reassembled with components that didn't belong in standard electrical hardware. "And he hired himself onto the party staff. Groundskeeper. The kind of position where nobody asks questions about access or background, especially at a private estate where the owner is in Europe and doesn't check in."

Fred turned another page. "His name is Arthur Pryce." He looked up. "He was hired as groundskeeper six months before the party. Dismissed two months ago after an incident with one of the estate's fences. He maintained access through a service entrance that was never rekeyed."

Jarrin picked up the nearest journal. The pages described a Stand that had evolved from something passive into something lethal. Phase one: sensing. Phase two: transmission. Phase three: weaponization. The killer had started with the ability to feel electrical current running through metal, essentially a sixth sense for the house's infrastructure, and over weeks of practice and experimentation had weaponized that sensing into attacks. Morse Code wasn't his natural ability. It was something he'd built, piece by piece, using the mansion as his laboratory.

"He used the house itself," Jarrin said. "The mansion's architecture, the pipes, the wiring. He turned this place into his body."

"Exactly." Fred closed the journal. "But Jolly Roger just severed Morse Code's connection to the infrastructure. Every pipe, every wire, every outlet he'd mapped and calibrated is now silent. He can't feel the currents anymore. Can't send pulses. Can't target through conductive surfaces." He looked at Jarrin. "Until he finds a workaround, he's blind and he's unarmed."

Jazz set the junction box down. "Where is he?"

Fred opened the third journal. The entries were recent, written in the past few days. He turned to the last page that had been written on, then held it up for Jarrin to read. The handwriting had changed. The letters were smaller, tighter, compressed into the page with urgency. The final entry read: The Stand has adapted again. I can now project through non-conductive materials, but only in rooms where I have previously been. The memory of my presence lingers in the structure. I am building a network of safe zones throughout the mansion.

"He's hiding," Jazz said. "He's not just running. He's building safe zones."

"Where?"

Fred flipped through the pages faster now, looking for coordinates or location names. "He's marked them by room. East wing, third floor. The sub-basement. The main hall on the second floor. And one in the west wing that he hasn't named." He paused. "He's been here for months. These journals are his record. Every modification, every experiment, and every kill he's ever made in this house."

Jarrin dropped the journal on the workbench. "We need to kill him before he finishes the last entry."

Fred's expression hardened. "I need you to understand something before we do anything else." He looked at Jarrin, then at Jazz. "My name is Frederick Charles Wheeler the Third. My family has owned properties like this for four generations. The Wheeler family built the original estate, then sold the land to Hargrave in 1895. I grew up hearing stories about this house. The layout, the secrets, the things that happened here. I've studied it for years." He paused. "I planned this party not as entertainment. I planned it to see what this house would do when people were inside. I wanted to know what I was dealing with. I just didn't expect it to start killing people before I finished my research."

Jazz didn't respond immediately. She studied Fred's face for something, a flicker of deception or exaggeration. What she found wasn't much comfort. Fred was telling the truth. He believed every word. And that belief in itself was dangerous, because a man who believed he understood something was a man who would walk into a room expecting it to behave the way his theory said it should.

"Fine," Jarrin said. "You know the house. We know the powers. Let's use both of them and find this guy."

They left the workshop and climbed back to the main floor. The mansion had settled into a new configuration while they'd been below, and the corridor they emerged into was narrower than it should have been, with the walls pressing inward at shoulder height. Jazz's hand found Jarrin's again. She didn't let go.

"Velma's right behind us," Jarrin said.

She was. Velma had followed them up from the west wing, and she was carrying something that looked like a flashlight but was probably a modified tool. She walked beside them with the expression of a woman who had just run every logical analysis she owned and arrived at a result she could not accept.

"I tracked something," she said. "Scooby. The dog. He followed the killer's scent down to the west wing, second floor, and then he stopped. We went to the location, and the scent was gone. Not faded. Gone. As if the killer had never been there."

Jarrin stopped walking. "The scent disappeared?"

"The scent disappeared. Every time we approach, the dog loses the trail within seconds. It's not interference. It's not masking. The scent simply vanishes before the dog can reach the source." Velma adjusted her glasses. "The mansion is protecting him. The architecture itself is erasing evidence of his location. Every time we get close enough to track him, the house resets."

Fred looked at the corridor ahead. "If we move as a group, all five of us, and stay within visual contact, we minimize the chance of the house isolating anyone. The killer needs to separate us to use his traps. If we don't separate, he loses his advantage."

Jazz looked at Jarrin. "We find Scooby. The dog's got the only lead that matters right now."

"Where is Scooby?"

Velma pointed to the top of the stairs, to the landing that led down toward the first floor. "He went that way about ten minutes ago. I lost him in the main hall."

They descended. The stairs had changed again, with the treads shorter and the riser height uneven, which meant the geometry was actively fighting anyone who tried to memorize the steps. Jarrin stepped carefully. Jazz kept her grip on his arm. Fred took the lead, reading the walls as if they were blueprints he'd memorized in childhood.

At the bottom of the stairs, the main hall opened up. It was long, lined with portraits whose subjects seemed to track movement in a way that made Jarrin uncomfortable, and at the far end a staircase led up to the third floor while a doorway on the left opened into what had been the dining room. The hall's floor was marble, and the marble was cracked in patterns that looked deliberate, like someone had carved symbols into the stone before the house had decided they mattered.

Scooby's tracks were visible in the dust on the floor. The paw prints ran from the dining room doorway toward the center of the hall, then stopped. Cleanly stopped, like a line drawn with a ruler. No fading, no smudging. Just an edge where the tracks ended and the rest of the floor was undisturbed.

Jarrin knelt. He looked at the dust around the track's edge. There was no sign of wind, no draft to explain the clean cut, and no sign that anything had stepped over the tracks either. Whatever had erased the paw prints had done it with precision.

Jazz crouched beside him. "We go down there now. Together. Five of us, staying close. Fred, you lead with the blueprints. I'll watch for traps. Jarrin, you keep your bubbles ready. Velma, you track the dog's scent with whatever you've got. If the killer tries anything, we shut it down."

Fred pulled a folded blueprint from his jacket. The paper was old, printed on something thicker than standard drafting paper, and the lines were drawn in ink that had bled into the fibers over decades. He spread it across the floor.

"Scooby's trail ends here," Fred said, pointing to a spot near the center of the hall. "According to the original blueprints, there's a passage behind this wall. It connects the main hall to the east wing staircase. If Scooby followed the killer down here, he would have gone through that passage."

Jarrin stood up. His knees cracked. The marble floor was cold through his shoes.

"Let's go," he said.