Investigator David Ash arrives in the quiet village of Sleath to debunk reports of hauntings, only to find himself trapped in a nightmare where the past refuses to remain buried. Tasked with uncovering the truth behind a series of disturbing supernatural occurrences, Ash must navigate the deep-seated fears of a community besieged by malevolent entities. As he probes the village's dark history, he faces physical threats from both the living and the dead, testing his skepticism against an increasingly hostile environment. The narrative unfolds through a tense, atmospheric lens that emphasizes the psychological toll of confronting the inexplicable.

This novel is widely recognized as a classic entry in the British horror tradition, showcasing the author's signature ability to blend mundane settings with extreme supernatural terror. Readers often highlight the effective use of the Chiltern Hills as a backdrop for a story that feels both grounded and deeply unsettling. The character of David Ash provides a stable anchor for the reader, allowing for a methodical investigation that slowly descends into chaos. The work is frequently cited for its relentless pacing and the author's commitment to delivering high-stakes horror without sacrificing narrative tension.