"I will. But first, I need to understand what I'm dealing with."
"Then listen carefully," he said. "Denise isn't afraid of losing the chamber. She's afraid of what might come out of it."
Before I could ask what he meant, I heard a faint sound in the background.
A door opening.
Peter lowered his voice.
"I have to go."
"Wait. One more thing. Did Thomas leave any documents?"
"Not with me."
"Are you sure?"
"Yes."
The call ended.
I stared at the phone.
Something about his answer bothered me. He had sounded frightened, but not surprised. As if the possibility of someone threatening me had been waiting in the back of his mind for years.
At nine the next morning, I arrived at the Route 8 diner ten minutes early.
The place was nearly empty. A waitress in a blue uniform was wiping down the counter, and an elderly couple sat near the front window, sharing a newspaper. I chose a booth near the back where I could see the entrance.
Martin Cole arrived exactly at nine.
He was in his late sixties, perhaps older, with a narrow face and silver hair combed neatly away from his forehead. He wore a brown jacket and carried a small leather briefcase.
He recognized me immediately.
"You're the pool owner."
"That's me."
He slid into the booth opposite me.
"Did you bring the photograph?"
I hadn't expected him to know about it.
"What photograph?"
"The one someone left for you."
I studied his face.
"How do you know about that?"
"Because I received one too."
He opened his briefcase and removed a folded sheet of paper. It was a photocopy of the same photograph, taken from above my backyard. The red circle around the metal plate was identical.
But the message on the back was different.
YOU PROMISED IT WOULD STAY CLOSED.
I looked up.
"Who sent these?"
"I don't know."
"Do you think it was Denise?"
Martin rubbed his thumb along the edge of the paper.
"I think Denise has been trying to keep something buried for a very long time."
"Peter told me her father was afraid of the chamber."
"Thomas was afraid of what the company had done."
"Explain it."
Martin glanced toward the waitress. She was refilling a coffee pot at the counter, far enough away that she couldn't hear us.
"Harrow built Briar Glen quickly. Too quickly. The development was advertised as a private community with an independent water reserve. The system was supposed to store water during periods of high demand and distribute it through underground pipes."
"That sounds ordinary."
"It would have been, if they had built it properly."
"What went wrong?"
"The groundwater level was higher than the original survey suggested. The chamber flooded during installation. Instead of redesigning the structure, the company ordered the crew to keep working. They installed pumps, altered the drainage, and connected the system to an existing municipal line."
"Without approval?"
"Without proper approval."
I thought about the metal plate beneath the deep end of my pool.
"Was the chamber connected to the municipal water system?"
"Possibly. That's why the county records matter. If the connection was never properly removed, disturbing the chamber could create a serious problem."
"But the inspector said it had been certified as disconnected."
"That certification was signed by Thomas Vale."
"Peter said Thomas didn't believe the system had been closed."
Martin nodded.
"Because he didn't sign the final report willingly."
I sat back.
"What do you mean?"
"Thomas was told the report was a formality. He believed he was signing a preliminary inspection confirming that the pumps had been shut down. The company later used his signature on a document declaring the entire chamber safe."
"That's fraud."
"Yes."
"Why didn't he expose it?"
"He tried."
Martin reached into his briefcase again and removed a small photograph. It showed a younger man standing beside a construction trench. He wore a hard hat and a light-colored shirt. Behind him, a concrete structure rose from the ground.
"That's Daniel Ruiz," Martin said.
I studied the picture.
"Was he the worker who died?"
"Yes. He was a good man. Married, two children. He complained about the ventilation before the accident. He said the chamber smelled wrong."
"What was in the air?"
"Nobody ever proved it. The company blamed a faulty oxygen meter and claimed Daniel had entered the space without following procedure. But the crew had been ordered to work inside that morning."
"And Thomas knew?"
"He was there."
I looked at him sharply.