LAPD Homicide Detective Harry Bosch is called to a crime scene where a body is found in a drainpipe at Mulholland Dam. The victim, Billy Meadows, was a fellow "tunnel rat" from Bosch's time in Vietnam, a connection that makes the case deeply personal for the detective. As Bosch investigates what appears to be a heroin overdose, his instincts suggest a more complex truth. The investigation soon links Meadows' death to a sophisticated, unsolved bank robbery, drawing Bosch into a conspiracy that forces him to navigate bureaucratic tensions within his own department and partner with an enigmatic FBI agent.
Haunted by the psychological echoes of his past, Bosch confronts a web of deceit, corruption, and the blurred lines between justice and vengeance. This gritty journey through the underbelly of Los Angeles introduces a flawed yet relentless detective driven by a singular commitment to truth, even when it puts him at odds with the system. Discover the debut that launched an iconic series and delves into the lasting impact of trauma while unraveling a high-stakes mystery.