A routine traffic stop lands a suspect who poses a lethal new threat, while Bosch and J. Edgar pursue a promising lead in the bones case. Bosch locks horns with Deputy Chief Irving over his ongoing court battle, just as his relationship with Brasher picks up. And murder suspect Raynard Waits makes a startling confession about Bosch's cold case.

The bones investigation uncovers the family's dark past. As Bosch's court case reaches a climactic verdict, he gets caught up in a dangerous field trip with Waits, who may be setting him up. A stunning turn of events leads to a frantic citywide manhunt, and Bosch is back on the hot seat.