Bosch must stop a serious threat to Chandler's run for DA. Maddie and Vasquez are drawn into a follow-home robbery case. An investigation commences into Bosch's possible involvement in Kurt Dockweiler's suspicious death.

Bosch takes on the case of a missing family of four. Chandler seeks to flip a powerful campaign donor. The follow-home robbers scheme as the cops get closer. Jimmy Robertson digs deeper into the Bosch investigation.

Bosch continues his investigation into the Gallagher family disappearance, focusing on Stephen Gallagher's business. Infighting in the follow-home robbery crew gives Vasquez and Maddie a lead. Chandler's association with Bosch comes under scrutiny, threatening her campaign.

Chandler and her team do damage control after the debate. Maddie and Vasquez zero in on the loot from the robberies. Bosch answers to the grand jury. Robertson and Lopez bring Preston Borders to LA to testify.

After the Gallagher case grows more complicated, Bosch focuses on discovering the fate of the family. Maddie and Vasquez set a trap for the follow-home crew. Chandler and team make the final push before the DA election. Political calculations impede Robertson and Lopez’s case work.

A month after the election, Chandler’s first big case as DA is prosecuting a cop killer. Bosch is brought on to help shore up the case. A break in the follow-home case leads Vasquez to a startling discovery.

Chandler comes under fire from the chief of police. Bosch works a Juan Doe case he thinks may be connected to another murder, while Mo tries to locate Finbar McShane. Vasquez confirms her suspicions, while Maddie continues working the follow-home case.

Bosch and Lopez continue investigating the Juan Doe case. Chandler begins to win the trust of her team. Maddie and Vasquez zero in on the follow-home crew.

Bosch enlists an old war buddy to bring down Finbar McShane, but Maddie worries her father may cross a dangerous line. Vasquez deals with the emotional fallout of the follow-home cases. Chandler takes charge of a high-stakes case.

Bosch clashes with RHD detective Renee Ballard as they attempt to catch the "flower girls" serial killer before another victim is claimed.