May 1992, and after four LAPD officers are acquitted following the savage beating of Rodney King, Los Angeles is ablaze. As looting and burning take over the city, law and order are swept away in a tidal wave of violence. But under threat of their lives, homicide detectives like Harry Bosch are still stubbornly trying to do their job. With no effective police presence on the streets, murder just got a whole lot easier - and investigating them a whole lot harder.