Harry Bosch is back in Homicide after disciplinary leave. In the wooded hills overlooking the Hollywood Bowl, he opens the trunk of a white Rolls Royce and finds a corpse. It looks like a simple case of 'trunk music' - a Mafia hit, the victim shot in his own vehicle - but the LAPD's Organized Crime Unit is curiously uninterested.

When Harry starts to uncover a shocking triangle of corruption and collusion, he's yanked off the case - and suddenly he's the one being investigated. But only a bullet can stop Harry when he's searching for the truth ...