LAPD homicide detective Hieronymus Bosch attempts to solve the murder of Billy Meadows, a soldier he knew while serving in Vietnam.

Detective Harry Bosch investigates a cold case and the murder of a city councilman's son. The cases are unrelated but they twist around each other like the double helix of a DNA strand. One leads to the discovery of a killer operating in the city for as many as three decades; the other to a deep political conspiracy that reached back into the dark history of the police department.

"Detective Harry Bosch has retired from the LAPD, but his half-brother, defense attorney Mickey Haller, needs his help. The murder rap against his client seems ironclad, but Mickey is sure it's a setup. Though it goes against all his instincts, Bosch takes the case. With the secret help of his former LAPD partner Lucia Soto, he turns the investigation inside the police department. But as Bosch gets closer to discovering the truth, he makes himself...

LAPD detective Renee Ballard and Harry Bosch work together to hunt the killer who is Bosch's white whale --a man responsible for the murder of an entire family. A year has passed since LAPD detective Renee Ballard quit the force in the face of misogyny, demoralization, and endless red tape. Yet, after the chief of police himself tells her she can write her ticket within the department, Ballard takes back her badge, leaving the Late Show to rebuild...

Having left the LAPD's Open Unsolved Unit for the prestigious Homicide Special squad, Harry Bosch investigates the murder of a doctor whose death is linked to the theft of a dangerous radioactive substance that Harry fears may be part of a terrorist plot.