A series of brutal murders in London triggers a frantic investigation that threatens to expose deep-seated political tensions. Detective Inspector Tom Hogarth leads the investigation into a string of killings that appear to be linked to radical political movements. He faces significant pressure from superiors to resolve the case quickly while navigating a city gripped by fear and suspicion. The narrative follows a linear progression, focusing on the procedural aspects of police work and the psychological toll of the investigation. Hogarth must contend with both the physical danger posed by the perpetrators and the logical constraints of a complex, multi-layered conspiracy.

Readers and critics often note the precise, grounded style Litvinoff employs to capture the mood of the era. Discussion frequently centers on the balance between the procedural mystery and the broader political commentary woven into the plot. Many highlight the effectiveness of the atmosphere, which reflects the anxieties of the time period with clarity. The pacing is described as deliberate, favoring character development and social observation over high-octane action sequences. This work is recognized for its ability to maintain suspense while providing a detailed look at the societal fractures of its setting.