When a reclusive billionaire is found dead in a scene initially blamed on a pet tiger, LAPD detective Peter Decker must uncover the human predator responsible for the gruesome act. Decker navigates a complex web of eccentric habits and illicit encounters while balancing his professional duties with the personal complications of his foster son's biological father. The narrative follows a procedural framework, tracking the investigation from a remote wildlife sanctuary to the neon-lit streets of Las Vegas. As the investigation deepens, Decker and his wife, Rina Lazarus, are forced to confront the intersection of their private lives and the dangerous criminal underworld.

This installment in the long-running series relies on the established rapport between Decker and Lazarus to ground the high-stakes investigation. The narrative structure emphasizes the methodical nature of police work while introducing personal stakes that threaten the stability of the protagonists' home life. Readers familiar with the series will recognize the author's focus on the tension between the detectives' moral compass and the morally ambiguous characters they encounter. The pacing suggests a steady, character-driven approach that prioritizes the evolution of the central relationship alongside the resolution of the central mystery.