An execution on the overlook above the Mulholland Dam entangles Harry Bosch with FBI Agent Rachel Walling and Homeland Security.
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 views 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.
Alongside the forces of Homeland Security, Harry must solve the murder or face unimaginable consequences...