Stuck now at the desert shill encampment with no easy escape plan and no way to communicate with Edgar, Bosch befriends Clayton and searches of information about his murder suspects. He learns about the death of her daughter, Daisy. Maddie, still raw from losing her mom and fearing the worst, asks Billets about where her dad may be. That Bosch is still undercover is news to Billets, but she reassures Maddie that everything will be okay. Pierce and Vega, concerned that the pharmacy killers have also learned Jose Jr.'s hiding spot, head to Bakersfield to find him. They intercept one of the killers who's there to tie up the loose end that is Jose, Jr. While Cronyn assures Borders that Bosch will play no role in his upcoming hearing, Chandler lays legal groundwork with a visit to her good friend Judge Sobel. Billets and Mankiewicz realize just how far up the chain of command the manipulated crime stats might go, forcing Billets to wrestle with what she'll do with the information. On a pill run back in LA, Bosch gets Clayton arrested, hoping to use her to get a message to Edgar. On return to the compound, however, Walsh has grown weary of Bosch, and Bosch finds himself in another dangerous jam. Edgar, researching the Haitian businessman he saw with Marcos and Arias, gets a call about Clayton's arrest, and the note she carries from Bosch. Scott Anderson gets tipped about police misconduct, and Cronyn suggests Bosch planted evidence to frame Borders for murder. Anderson seeks corroboration with mixed results. But lacking only a statement from Bosch, Anderson's editor decides to run the story.

Bosch and Chandler track down Spencer, and try to persuade him to turn on the Cronyns in order to save himself. DEA Agent Hovan interviews Hart, who teases some additional useful information about the real mastermind behind the killings. Pierce and Vega catch a gruesome new homicide. Christina Henry continues her pursuit to have the DA look into possible criminal misconduct by Detective Harry Bosch. Crate plans Barrel's retirement party. Edgar finally tracks down Bo Jonas, who provides new clues about Gary's murder. At Hollywood Station, Captain Cooper convenes Lieutenants Billets and Thorne, wanting to confirm everyone's on the same page regarding the doctored crime stats. Chandler asks Bosch what Henry has against him, believing she can exploit Henry's personal animus at the upcoming hearing. The hearing begins. To the surprise of DDA Kennedy and the dismay of the Cronyns, Chandler is able to convince Judge Sobel that Bosch has standing. Tension mounts as she presents her case, and Borders unravels and exposes the entire scheme behind the case. Maddie tells Bosch she's decided to go back to school early. She reveals that what she really needs is some space - from him.

Bosch discovers there's more to Alicia Kent's story than meets the eye. Elizabeth Clayton calls with news that jump starts her daughter's cold case. Edgar and Hovan craft a plan to move in on Avril, Crate and an old buddy have an eventful night, and Antonio asks Maddie to introduce him to Bosch.

Judge Sobel hears Chandler's objections to the evidence against Mrs. Kent. Irving's new task force has a win. Hovan and Edgar close in on Avril. Billets gets a call from IA and Bosch uncovers a chilling connection in the Daisy Clayton case

Irving and Maddie make big decisions about their futures. Bosch and Edgar, having weathered unexpected tragedies, share bitter frustration with a system that has seemingly failed them. But with the motion hearing on the Kent murder case evidence at hand, they're each faced with a choice: to let thing go, or to take matters into their own hands.

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.

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.

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.