A brutal string of murders in Laurel Canyon forces a homicide detective to confront the possibility that the betrayal originates from within his own inner circle. Mike Gallagher, the acting head of the Hollywood Division homicide unit, assumes responsibility for the investigation following the death of his partner, Dan. As he navigates the high-pressure environment of the Los Angeles police force, he encounters systemic corruption and personal conflicts that impede his progress. The narrative follows a linear progression, focusing on the procedural mechanics of police work and the psychological toll of the investigation. Gallagher must reconcile his professional duties with the growing suspicion that his colleagues or associates are complicit in the crimes.

Readers frequently highlight the gritty, authentic portrayal of the Los Angeles police environment during the era in which the book was written. Discussion often centers on the tension between the protagonist's personal grief and his professional obligations as he uncovers layers of deceit. Critics note the effectiveness of the author's ability to maintain a sense of unease throughout the investigation. The narrative is often praised for its focus on the mechanics of police work rather than relying on sensationalist tropes. Readers who appreciate character-driven crime fiction often find the internal conflict of the protagonist to be the most compelling aspect of the story.