One Sunday Harry Bosch gets a call out on his pager A body has been found in a drainage tunnel off Mulholland Drive, Hollywood And Harry knows him Billy Meadows was a fellow tunnel-rat out in Vietnam, running against the VC and against the fear that they called the black echo At first Meadows looks like just another overdose victim but them comes news that he may have been involved in a huge bank heist eight months earlier, a case which the FBI are investigating When Harry goes to the Feds to reveal what he has learned, they dismiss both him and his evidence out of hand