Leonard Grey, superintendent of Jericho Mansions. His world may be small but he cares for every inch of it. The fading wallpaper in the entrance hall, the ageing carpet on the stairs, the clank of the elevator and above all, the faint but continuous refrain of lives being lived around him... for the last thirty years the building has been his universe. Beyond the front door of the apartment block lies a terrifying agoraphobic nightmare into which, for as long as he can remember, he has never dared to vinture. But Leonard's sanctuary is beginning to crumble: forces are conspiring to kick him out. Constant accusations by Lily Melnik, the landlady. Of stealing worthless items from her apartment, stirrings of discontent among the residents, infidelities and finally a murder... Bill Cherry, one of the building's inhabitants is found dead. His body thrown down the garbage chute, though the cops believe they have their killer and motive – a jealous tenant taking revenge on his wife's liver – Leonard begins to discover clues that point to a different killer. Himself. But he has no recollection of the killing... Little by little, as he begins to investigate himself, a number of disturbing facts come to light. The discovery of a stash of worthless items hidden under his floorboards, proof that Lily Melnik's crazy accusations may have been right all along. The discovery that despite his agoraphobia, he has been going out of the building at night. Soon, devastating images begin to erupt from deep within his subconscious. Bizarre pieces of a puzzle, which begin to draw a past he never knew he had. Could he really be the thief – and the killer? As his sanity disintegrates, the devastating truth of Leonardo's past finally comes to light.