In season one, Harry Bosch, an LAPD homicide detective, stands trial for the fatal shooting of a serial murder suspect just as a cold case involving the remains of a missing boy forces Bosch to confront his past. As daring recruit, Julia Brasher, catches his eye, and departmental politics heat up, Bosch will pursue justice at all costs.

A dead body found in the trunk of a car on Mulholland Drive appears to have mob connections and leads LAPD homicide detective Harry Bosch down a dangerous trail of corruption and collusion that stretches to Las Vegas and back. As the case becomes more complex and personal, and Bosch's search for the truth more relentless, the dark side of the police department is brought to light.

Angered by the truths behind his mother’s murder, LAPD detective Harry Bosch struggles to find integrity in an imperfect justice system. The killing of a homeless veteran, the suicide of a serial killing suspect, and the high-profile murder trial of a Hollywood director pits Bosch against ruthless opponents who all threaten to destroy him.

When an attorney is murdered on the eve of his civil rights trial against the LAPD, Bosch is assigned to lead a task force to solve the crime before the city erupts in a riot. Bosch must pursue every lead, even if it turns the spotlight back on his own department. One murder intertwines with another, and Bosch must reconcile his past to find a justice that has long eluded him.

Fifteen months after bringing his mother's killer to justice, Bosch finds himself seeking the truth on two fronts. New evidence in an old case leaves everyone wondering whether Bosch planted evidence to convict the wrong guy. And a murder at a Hollywood pharmacy exposes a sophisticated opioid pill mill, sending Bosch down a dark and perilous path in pursuit of the killers.

After a medical physicist is executed and the deadly radioactive material he had with him goes missing, Detective Harry Bosch finds himself at the center of a complex murder case, a messy federal investigation, and catastrophic threat to Los Angeles the city he’s pledged to serve and protect.

When a ten-year-old girl dies in an arson fire, Detective Harry Bosch risks everything to bring her killer to justice despite opposition from powerful forces. Detective Jerry Edgar falls apart as he grapples with the consequences of shooting Jacques Avril. Maddie assists Honey Chandler on a high profile case that draws Bosch in and puts them in the crosshairs of dangerous criminals.