When a married couple is discovered murdered in their home, Detective John Coffin must navigate a web of hidden histories to identify the killer and the victims' true pasts. Coffin faces the challenge of untangling a series of long-buried secrets that link the present crime to a disturbing history. As he investigates, he encounters resistance from those who wish to keep the truth obscured. The narrative follows a methodical police procedural framework, focusing on the logical progression of evidence and the psychological weight of the past on the present.

This work is characteristic of Gwendoline Butler's established style, which favors intricate plotting and a focus on the psychological dimensions of crime. The narrative structure suggests a reliance on the slow accumulation of clues rather than high-octane action sequences. Readers familiar with the John Coffin series will likely recognize the author's commitment to atmospheric detail and the exploration of how the past haunts the present. The premise points to a classic British mystery that prioritizes the intellectual challenge of the investigation over sensationalist tropes.