Superintendent Thomas Pitt faces a gruesome series of decapitation murders in 1890s London that threaten to destabilize the city's sense of security. While Pitt navigates the rigid social hierarchies and police bureaucracy to track a killer who leaves bodies in public spaces, his wife Charlotte manages a chaotic domestic transition. The narrative alternates between Pitt's procedural investigation and Charlotte's social observations, providing a dual-lens view of Victorian class dynamics. As the pressure mounts to solve the case before public panic ensues, the couple must reconcile their professional burdens with the demands of their personal lives.

This installment in the long-running series is characterized by its meticulous attention to the social nuances of the Victorian era. The narrative structure relies on the established dynamic between the methodical Superintendent Pitt and the observant Charlotte, whose domestic distractions provide a necessary counterpoint to the grim nature of the crimes. Readers of the series typically appreciate the consistent tone and the author's ability to weave historical atmosphere into the mechanics of a classic whodunit. The book functions as a study of how personal upheaval can intersect with public tragedy, maintaining the series' focus on the intersection of crime and class.