An LAPD homicide detective works to solve the murder of a 13-year-old boy while standing trial in federal court for the murder of a serial killer.
As Deputy Chief Irving tries to stay above the political fray, the Tony Allen investigation sends Bosch to Sin City.
After Torres and Bishop are in a car accident with a hit-and-run driver, Torres fights for her life in the intensive care unit.
Bosch and Edgar discover the final piece of the Tony Allen investigation, and Harry searches to uncover the truth behind his mother's murder.
Bosch focuses on taking down a criminal mastermind, and opposing forces with violent intentions all converge on the same spot.