A lonely old billionaire realizes that his days are numbered. He has achieved a lot in this life and could have died peacefully, but one memory, mixed with a feeling of regret, haunts him. Once upon a time, he, a rich Californian youth, met a Mexican girl. She became pregnant, but soon disappeared. Did she have a child? And if so, what happened to him? Desperate to find out if he has an heir, the dying tycoon hires detective Harry Bosch - the only person he can trust. A huge fortune is at stake, and Bosch is clear about the danger both he and the one he is looking for are exposed to. And so the detective manages to find the trail... This story mystically echoes his own past. Now Bosch will not rest until he finds out the whole truth... For the first time in Russian!