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.

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.