Bosch and Edgar follow a lead in the arson fire case to the famed Magic Castle. Lt. Billets ruffles feathers in the officer ranks. After Chandler’s new client Vincent Franzen spends a night in jail, he offers up a “muy grande pescado” as his get-out-of-jail-free card.

Bosch is drawn into the underbelly of Las Vegas. A reunion with his daughter reveals that all is not well on the home front. Deputy Chief Irving chooses a side in the mayoral race. There's more to George Irving's assignment than meets the eye.

Working to close the murder of the Federal informant, Bosch and Edgar reveal an explosive new clue. Dwight pressures Edgar to do more to bring his son’s killers to justice. Barrel receives a politically damaging old recording of Chief Irving. Billets adds a familiar face to her new task force, while Pierce makes a report to Captain Cooper that causes friction.

Bosch and Edgar track down La Mayorista, but Bosch asks Vega to assist after Edgar makes a costly error. Chandler and Maddie record Franzen’s statement for the SEC before Chandler stashes him away in a safehouse. Irving and Lopez discuss the arson case, each concealing their true agendas.

After discovering Alvarez has been transferred, Bosch enlists Chief Irving’s help. Pierce and Vega get a lead on the hitman. Billets reaches out to a former Hollywood cop for intel on Leonard and Norris. When Bosch and Edgar meet with Carl Rogers, Edgar lets a detail of the case slip, enraging Bosch.

New Year’s Eve 2019. While Los Angeles celebrates, a fire breaks out in an East Hollywood apartment building killing several residents including a ten-year-old girl. When it’s determined to be arson, Detective Harry Bosch arrives on the scene but his partner, Detective Jerry Edgar, is noticeably absent.

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.

Bosch nabs a murder suspect, while others keep a close eye on the investigation. After an encounter with Vegas mob boss, Joey Marks, Bosch faces questions about the past of someone close to him. George Irving makes important inroads. Deputy Chief Irving clashes with LA's political machinations.

Chandler brokers a plea deal that leads to a confession, giving Bosch and Edgar all they need to go after Kent’s killer. Bosch digs deeper into a street hustle involving Daisy, but Elizabeth causes trouble when she pursues a lead on her own. Irving pitches a new task force aimed at combatting homelessness, and Billets puts Vega and Pierce in an awkward position.

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

After the young victim in the bones case is identified, Bosch and J. Edgar are pulled into the troubled world of the boy's family. As Bosch's own trial escalates, his romance with Brasher takes a turn. And an intense confrontation with Raynard Waits forces Bosch to rethink everything.

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 discovers that his murder case has wider implications. Deputy Chief Irving tries to stay above the political fray. Danger escalates with George Irving's plainclothes position. Harry receives a tip relating to his mother's murder. The Tony Allen investigation sends Bosch to Sin City.

The ugly truth behind his mother's murder has left LAPD homicide detective Harry Bosch as tense and restless as ever. A homeless veteran is murdered. Bosch works a high-profile trial involving a Hollywood director. The Veronica Allen proceeding nears resolution. Bosch keeps tabs on a longtime criminal who's eluded justice.

Robertson and Bennett follow the hitman’s trail to Las Vegas, hoping to find a connection to Fowkkes’ other clients. When Billets performs a security evaluation at a local jewelry shop, she gets more than she bargained for. Irving gives Bosch an order, causing Bosch to lose faith in the system he has defended his entire career.

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.

A suspected killer whom Bosch has pursued for several years turns up dead in an apparent suicide. Edgar discovers that Harry has a complicated history with the dead man. When the case is later ruled a homicide, Detective Jimmy Robertson develops troubling theories about the culprit.

Six weeks later, Judge Sobel hears Chandler’s objections to Bosch’s key evidence against Alicia Kent. Irving’s new task force has a win. Hovan and Edgar are on the verge of bringing down Avril. Billets gets a call from IA, and while working his way through a list of new suspects in the Daisy Clayton case, Bosch uncovers a chilling connection.

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.

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.

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.

A leading suspect eludes Bosch's grasp. Deputy Chief Irving's world has unravelled, even as he's handed a once in a lifetime opportunity. Bosch and Edgar's pursuit of a dangerous ringleader leads to an epic showdown.

The secret effort to smear Bosch intensifies. Harry and his colleagues struggle to uncover who's trying to frame him. Irving closes a chapter in his personal life, but is ensnared in departmental politics. Bosch digs into the history of former soldiers under suspicion. Killers pull off a major score.

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 investigates new evidence that may overturn Borders' conviction, but he remains convinced they locked up the right man. Lieutenant Billets is forced to deal with Crate and Barrel's role in the accident at the pharmacy crime scene. Bosch and Edgar track the pill mill van to an unexpected destination, while Edgar gets shocking news about Gary Wise.