In the depths of the Nevada desert, FBI agent Rachel Walling and former LAPD Detective Harry Bosch must confront The Poet, a terrifying serial killer who leads them down a dark and twisted path.
FBI agent Rachel Walling finally gets the call she's dreaded for years, the one that tells her the Poet has surfaced. She has never forgotten the serial killer who wove lines of poetry in his hideous crimes — and apparently he has not forgotten...

"Defense attorney Mickey Haller is pulled over by police, who find the body of a client in the trunk of his Lincoln. Haller is charged with murder and can't make the exorbitant $5 million bail slapped on him by a vindictive judge. Mickey elects to defend himself and must strategize and build his defense from his jail cell in the Twin Towers Correctional Center in downtown Los Angeles, all the while looking over his shoulder, as an officer of the court...

Detective Harry Bosch, now in the Open-unsolved Unit, receives a call from the DA telling him a serial killer has confessed to several murders. Harry must interview the man about a case he couldn't crack involving the murder of a 22-year-old woman whose body was never found.