Deputy Chief Irving takes full measures in the wake of tragedy. Bosch finds himself in an unexpected alliance, which leads to a startling discovery. Eleanor seeks an advantage with the FBI. The nefarious gang behind serious crimes plans its exit strategy.
For LAPD homicide cop Harry Bosch - hero, maverick, nighthawk. From a dangerous maze of blind alleys to a daring criminal heist beneath the city to the tortuous link that must be uncovered, his survival instincts will be tested to their limit. Joining with an enigmatic and seductive female FBI agent, pitted against enemies inside his own department, Bosch must make the agonizing choice between justice and vengeance, as he tracks down a killer whose true face will shock him.