A dead man's legacy - Rea Carlisle inherits a house from an uncle she never knew - and with it a leather-bound book containing fingernails, locks of hair and a list of victims. A grisly family secret - Horrified, Rea turns to the only person she can think of: old flame DI Jack Lennon. But Lennon has his own troubles, and they only get worse when a brutal murder places him in the crosshairs of DCI Serena Flanagan. A killer with nothing left to lose Hounded by a police force that doesn't trust him, it's up to Lennon to unravel the secrets of the dead man's journal and a conspiracy that's stayed buried for decades.