After thirty years with the LAPD, Harry Bosch started working as a private investigator and works as a volunteer in a small town in the LA area.
Bosch’s reputation has followed him and a reclusive billionaire, Whitney Vance who is near the end of his life, seeks out Bosch to help him determine if he has an heir that can be found. Vance’s one regret is in his youth was that he fell in love with, Vibina Durate, a Mexican girl and with family interference he had left her.
Vance learns that Vibina, who was pregnant when Vance left her, had a child named Dominick Santanello and that he had been killed in Vietnam. He also learns that Dominick had also fallen in love with a Mexican girl and left her behind when he went to war, and she was pregnant.
With a fortune at stake Bosch has to watch his every move because he believes that massive business empire Vance had built would never want a heir found.
At the same time he is tracking a serial rapist for the small police department he volunteers at and it is a complicated baffling case that also holds the readers interest from start to finish.