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. Based on Michael Connelly's best-selling book series, 'Bosch'.

A routine traffic stop lands a suspect who poses a lethal new threat, while Bosch and J. Edgar (Jamie Hector) pursue a promising lead in the bones case. Bosch locks horns with Deputy Chief Irving (Lance Reddick) over his ongoing court battle, just as his relationship with Brasher picks up. And murder suspect Raynard Waits (Jason Gedrick) makes a startling confession about Bosch's cold case.

The bones investigation uncovers the family's dark past. As Bosch's court case reaches a climactic verdict, he gets caught up in a dangerous field trip with Waits, who may be setting him up. A stunning turn of events leads to a frantic citywide manhunt, and Bosch is back on the hot seat.

As the Raynard Waits matter escalates, Deputy Chief Irving sidelines Bosch. The detective turns his focus to unraveling the mystery of the bones case - until he becomes ensnared in a dangerous game of cat and mouse.

Bosch travels to Las Vegas to see his teenage daughter, Maddie, and to gain insight into Waits from his ex-wife, Eleanor Wish, once a brilliant forensic profiler. Back in LA, Waits taunts Bosch as he begins backing up his threats. Bosch returns to a maelstrom as the simple questioning of a witness in the bones case endangers Brasher.

Bosch struggles to manage both professional and personal fallout, as an echo of his past helps him discover pivotal clues in the Waits case. As the stakes escalate, a restless Waits hatches a deadly plan.

The true story of the bones murder is finally revealed, placing Bosch in hot water and stretching the LAPD to the breaking point. Bosch's own painful past leads him headlong into a showdown with Raynard Waits.

Bosch has to face the aftermath of his confrontation with Waits, while his daughter's unexpected visit offers some precious time together. In the wake of the bones investigation, Bosch's job is in jeopardy, and he's suddenly on the outside once again.

LAPD homicide detective Harry Bosch is back on the job after a suspension. When a dead body found in the trunk of a car on Mulholland Drive appears to have mob connections, Bosch takes on a case that could prove his biggest challenge yet. George Irving has a new assignment. Deputy Chief Irving weighs his options.

Heightened circumstances create an unlikely family reunion for Bosch. A surprising revelation forces Harry back to square one on his case. The FBI approaches Eleanor with an enticing deal. George Irving faces severe jeopardy.

Bosch focuses on taking down a criminal mastermind. Eleanor delivers for the FBI. Opposing forces with violent intentions all converge on the same spot.

News explodes that the LAPD is investigating one of its own in a murder case. Bosch homes in on the motive behind a string of homicides. Robertson's doubts about Bosch deepen. Edgar discovers another disturbing link between Harry and a murder victim. Irving assists the investigation of the "Koreatown Killer."

Bosch's relentless pursuit in the Meadows case reaches a climax. Bosch and Edgar talk about a startling discovery. An unexpected visitor drops in on Bosch and Maddie. Harry learns that his history is far from settled.

Det. Francis Sheehan comes clean to Bosch, Robertson suspects a leak in the investigation, and Edgar joins the Task Force. Social unrest surrounding the Elias murder grows and Irving is pressured to intervene. Eleanor asks Bosch for parenting advice and confesses the truth about her marriage to Reggie Woo.

Hollywood Station goes on TAC Alert. Irving plots his next moves. With new evidence, the Elias case takes an unexpected turn. Maddie tries to connect with her past. Bosch harbors doubts about his Task Force and interviews a new suspect.

Bosch and Sgt. Amy Snyder uncover a key piece of evidence that could compromise the entire Elias investigation. Edgar and Robertson are rocked by personal disappointment. Irving exposes his enemies. Bosch stalks the suspected Elias killer on his own, and comes face to face with his past.

Harry Bosch finds out one of his old cases is up for review and worries that all the cases since might be questioned. In another part of town, thugs in masks murder a pharmacist.

Louis Degner brings Bosch (as Dominic Reilly) to the Garcia Pain Clinic, where Bosch is surprised to be examined by none other than Dr. Hansen from the VA. Hansen sees Reilly as nothing more than a pathetic addict. He gives Bosch a few pills and sends him home, saying they'll be in touch when it's time for Bosch to repay the favor. Seeking answers to his CI's killing, Edgar follows up with Gary's old gang contacts - men who spent time in jail after Gary flipped on them following a robbery 20 years ago. Robertson and his team search a warehouse where they find the pharmacy killers' getaway car and a link to the shell company that owns the shill plane - Western Sandblast. Hoping to rattle someone into making a mistake, Bosch visits Borders in prison while Bonner confronts Rita on the outside. Borders' cocky demeanor changes when Bosch lets him know they've been talking to his wife. Maddie, finding herself emotionally drawn into a rape victim's trial, considers the intricacies of justice, as Barrel considers Billets' suggestion that it's time to retire. Bosch updates Chief Irving on the Borders case. Bosch believes Olmer's attorney, Lance Cronyn, stealthily obtained Olmer's DNA during one of his many visits. After Irving provides Bosch with video from the LAPD property room where a key piece of evidence was handled, Honey Chandler and Bosch figure out how Olmer's DNA was then planted by a property clerk named Spencer. While weighing an opportunity to run for Mayor, Irving provides DA Hines with a potential alternative bringing criminal charges in the officer-involved shooting. CIU Investigator Henry searches for evidence to back her belief that Bosch planted the seahorse pendant to frame Borders -- just as Irving shreds a document involving the very same evidence.

Nearly a year has passed and Bosch is still investigating the Daisy Clayton murder case. Meanwhile Edgar runs a sting on his dirty cops and Irvin Irving jumpstarts his mayoral campaign.

After Maddie's involvement with the Franzen case leaves her exposed, she must testify before a grand jury to stay safe. Irving asks FBI SAC Brenner for help with Alvarez, learning something useful about Peña. The little tamale girl’s father pays Bosch a visit; his pain strengthens Bosch’s resolve to bring her killers to justice. Leonard and Norris push Billets to the brink.

As Billets posts the Hollywood homicide detectives' new assignments, Bosch puts a plan in motion to arrest Mickey Peña, leading to some severe consequences. Billets makes an impression and Maddie makes a decision about her future.

Bosch focuses on taking down a criminal mastermind. Eleanor delivers for the FBI. Opposing forces with violent intentions all converge on the same spot.

News explodes that the LAPD is investigating one of its own in a murder case. Bosch homes in on the motive behind a string of homicides. Robertson's doubts about Bosch deepen. Edgar discovers another disturbing link between Harry and a murder victim. Irving assists the investigation of the "Koreatown Killer."

After Maddie's involvement with the Franzen case leaves her exposed, she must testify before a grand jury to stay safe. Irving asks FBI SAC Brenner for help with Alvarez, learning something useful about Peña. The little tamale girl’s father pays Bosch a visit; his pain strengthens Bosch’s resolve to bring her killers to justice. Leonard and Norris push Billets to the brink.

Hollywood Station goes on TAC Alert. Irving plots his next moves. With new evidence, the Elias case takes an unexpected turn. Maddie tries to connect with her past. Bosch harbors doubts about his Task Force and interviews a new suspect.