Retired Det. Harry Bosch, now a Private Investigator, is hired by aging billionaire Whitney Vance to handle a personal matter with major implications. When the man who ordered her murder a year and a half ago walks free, a devastated Honey “Money” Chandler teams Bosch to fix injustice. Maddie Bosch, still finding her footing as a rookie patrol cop, is assigned to a hard-charging Training Officer.

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.

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.