THE SUBSTRATE
He spent nineteen years learning to hear the silence hiding inside a wrong number. He never expected it to lead him back to his father.
Daniel Ashcombe audits council accounts for the National Audit Office — a quiet, methodical man with an instinct, honed over nearly two decades, for the discrepancies no one wants explained. One such number — a disposal code that doesn't officially exist, spread across six housing estates and thirty-one million pounds — leads him to Reyburn Fine Salvage & Reclamation, a private, invitation-only auction house dealing in objects reclaimed from demolished buildings: door handles, floorboards, a widow's wedding ring. Not the object, but the residue that clings to it. He tells himself it's simply fraud. Expensive, cleverly hidden, but fraud all the same.
Then he finds a name on the sixth form that has no business appearing on a council document in this decade, in this country, at all — his father's name. A man who has been missing, presumed dead, or worse, simply gone, since Daniel was fourteen, leaving behind a letter Daniel has never once finished reading and a family that quietly agreed never to talk about him again.
What Daniel uncovers is a government programme built on a truth too dangerous to publish and too profitable to abandon: some buildings remember the people who lived, suffered, and loved inside them — and what they remember can be extracted, sold, and used, by people who understand exactly what that costs the living. Chasing his father's trail pulls him past unmarked doors, into a derelict institution where the walls themselves seem to be listening, and toward an unexplained mark burned into a stranger's palm that no hospital can account for.
To bring his father back, Daniel will have to go further into that truth than anyone in the programme has ever safely returned from — and decide what he's willing to become, and what he's willing to lose, for a man who might not be entirely a man anymore.
THE SUBSTRATE is a slow-burn psychological horror novel, patient and quietly devastating, about grief, memory, and the things we bury in old buildings and old families — for readers of Mexican Gothic, The Little Stranger, and Bird Box.