A 13-year-old boy commits suicide. A 65-year old man dies of a heart attack. Dan Forrester, ex-MI5 agent, is connected to them both. And when he discovers that his godson and his father have been murdered, he teams up with his old friend, DC Lucy Davies, to find answers. But as the pair investigate, they unravel a dark and violent mystery stretching decades into the past and uncover a terrible secret. A secret someone will do anything to keep buried.