Chief Inspector Boyd reopens the files on four more unsolved crimes in this series of gripping murder mysteries. Challenges facing his crack team of investigators include a victim of child abuse seeking revenge for the death of his twin a family murder with vital evidence to be recovered from the bottom of the sea the increasing likelihood of a mystery second man involved in a high-street massacre and a cult film tied to the discovery of four bodies in a Notting Hill house 1960s gangsterland and the background history of one of the team. With the best minds in psychology forensics and detection on the case if anyone can track down a killer years after a murder they can.