A young girl is found off a pier practically beaten to death. When it becomes clear that she’s witnessed a murder, Soneri has to get to the bottom of things before she becomes a murder victim herself.

A gang of hooded youths has been stealing from villas in the hills of Torino, leaving behind a black hood as a signature. When a young man from an aristocratic family is found murdered, it’s blamed on the hooded thieves.

Commissario Soneri gets transferred to Torino, and his first case there involves a beautiful woman found strangled in a car that’s plunged off a cliff.

Commissario Soneri’s ex-girlfriend Angela ends up in a bed next to a murdered man. Soneri claims he can work impartially on the investigation. Or can he?