A routine traffic stop lands a suspect who poses a lethal new threat, while Bosch and J. Edgar pursue a promising lead in the bones case. Bosch locks horns with Deputy Chief Irving over his ongoing court battle, just as his relationship with Brasher picks up. And murder suspect Raynard Waits makes a startling confession about Bosch's cold case.

Bosch gains a new ally in his ex-wife Eleanor. Deputy Chief Irving makes a series of deals that will shape the future of the police department - and possibly even the city itself. Waits's disturbing focus on Bosch intensifies.