On the night he celebrates a big win, defense attorney Mickey Haller is pulled over by police, who find the body of a former client in the trunk of his Lincoln. Haller is immediately charged with murder but can’t post the exorbitant $5 million bail. Mickey elects to represent himself and is forced to mount his defense from his jail cell in downtown Los Angeles. Even if he can obtain a not-guilty verdict, Mickey understands that it won’t be enough. In order to be truly exonerated, he must find out who really committed the murder and why. That is the law of innocence.

Renée Ballard works the night shift in Hollywood, beginning many investigations but finishing none, as each morning she turns her cases over to day shift detectives. A once up-and-coming detective, she's been given this beat as punishment after filing a sexual harassment complaint against a supervisor. But one night she catches two cases she doesn't want to part with: the brutal beating of a prostitute left for dead in a parking lot and the killing of a young woman in a nightclub shooting. Ballard is determined not to give up at dawn.

For maverick LAPD homicide detective Harry Bosch, the body in the drainpipe at Mulholland Dam is more than another anonymous statistic. This one is personal...because the murdered man was a fellow Vietnam "tunnel rat" who had fought side by side with him in a hellish underground war. Now Bosch is about to relive the horror of Nam.

In L.A., Cassie Black is another beautiful woman in a Porsche: except Cassie just did six years in prison and still has "outlaw juice" flowing in her veins. Now Cassie is returning to her old profession, taking down a money man in Vegas. But the perfect heist goes very wrong, and suddenly Cassie is on the run - with a near-psychotic Vegas "fixer" killing everyone who knew about the job.

Detective Harry Bosch has retired from the LAPD, but his half-brother, defense attorney Mickey Haller, needs his help. The murder rap against his client seems ironclad, but Mickey is sure it's a setup. Though it goes against all his instincts, Bosch takes the case. With the secret help of his former LAPD partner Lucia Soto, he turns the investigation inside the police department. But as Bosch gets closer to discovering the truth, he makes himself a target.