退休警探哈裡博斯，現在是一名私家偵探，被年邁的億萬富翁惠特尼凡斯聘請來處理具有重大影響的個人事務。 當一年半前下令謀殺她的男人被當庭釋放時，絕望的哈妮錢德勒與博斯合作要解決不公正現象。麥迪博斯仍在尋找她作為一名新進巡邏警察的立足點，她被分配到一名強硬的訓練官。

哈妮錢德勒重返法庭，繼續為一名被錯誤指控犯有謀殺罪的遊民辯護。博斯將注意力集中在卡爾羅傑斯身上，並找到了一個與凡斯的過去有關的重要角色。麥迪和她的訓練官蕾娜瓦奎茲第一次成為搭檔。

The Screen Cutter attempts to bargain with Bosch and Chandler, who go to extremes to locate Maddie before it’s too late.

Bosch looks into another murder that might be tied to the Parks case. Chandler clashes with the DA over the fate of David Foster. Kurt Dockweiler's sentencing looms over Maddie. Mo hatches a risky scheme to help Jade Quinn. Ellis and Long begin to feel the heat.

Bosch and Chandler secure key witnesses against Ellis and Long. Chandler enters her endgame with the Feds. With Ellis in the wind, Maddie and CRU are tasked with protecting Bosch.

Bosch ensures the Lexi Parks case reaches its just conclusion. Chandler considers a big career change with the help of an old acquaintance. Maddie wrestles with the fallout of her first officer-involved shooting. Mo faces a serious ultimatum with the FBI.