When an infamous serial killer known as the Poet reemerges, FBI agent Rachel Walling, long haunted by her unsuccessful efforts to bring him to justice, receives assistance from LAPD detective Harry Bosch.
Retired Los Angeles detective Harry Bosch agrees to look into the death of former colleague and friend Terry McCaleb and finds himself immersed once again in the pursuit of a serial killer, presumed dead by the FBI, who calls himself the Poet.
