When a series of unsettling events plagues the Docklands, Detective John Coffin must confront a haunting presence that threatens the stability of his precinct. As Coffin navigates the atmospheric and shifting landscape of London's urban sprawl, he faces both the tangible dangers of criminal activity and the psychological weight of a case that defies conventional explanation. The narrative follows his methodical investigation, balancing the pressures of police bureaucracy against the encroaching shadows of a mystery that seems to defy logic. Through a third-person perspective, the story examines the intersection of past grievances and present-day violence within a tightly controlled investigative framework.

This work is characterized by the distinct, moody atmosphere that Gwendoline Butler consistently cultivated throughout the John Coffin series. The narrative relies on a slow-burn approach to mystery, prioritizing the internal state of the protagonist and the environmental details of the Docklands over explosive plot twists. Readers familiar with the series often note the author's ability to weave a sense of unease into the fabric of a standard police procedural. The book functions as a study of how past secrets manifest in the present, suggesting a thematic depth that elevates it beyond a simple crime puzzle.