In the early hours of the morning, Harry Bosch is called to a crime scene. A physicist has been murdered in LA, and it seems the killer has no fear of publicity , leaving the body on the Mulholland overlook, a site with stunning vieuw over the city. But this is no random killing Before he died, the victim turned over a quantity of a lethal chemical to his killer - and Harry knows he has more than just a single death to worry about...