A suspected killer whom Bosch has pursued for several years turns up dead in an apparent suicide. Edgar discovers that Harry has a complicated history with the dead man. When the case is later ruled a homicide, Detective Jimmy Robertson develops troubling theories about the culprit.

Bosch learns more about the dark past and murder of Billy Meadows. The credibility of a key witness threatens to undermine the Holland case. Edgar maneuvers to handle damning evidence. Dangerous men target Bosch.

Bosch clashes with his fellow detectives. Irving weighs his career options just as his personal life takes a turn. The killers behind the Meadows murder clean up loose ends. Questions swirl about whether Bosch is an avenging angel.