FROM THE MULTI-MILLION-COPY BESTSELLING AUTHOR Get ready to be gripped by the thrilling mystery detective novel from the bestselling author of Holy Island, perfect for fans of Elly Griffiths and Ann Cleeves. "She keeps company with the best mystery writers" - The Times"A literary phenomenon" - Evening ChronicleBeware what lies beneath…One fateful, starry night, three friends embark on a secret camping trip but only two return home. Thirty years later, the body of a teenage boy rises from the depths of England’s biggest reservoir and threatens to expose a killer who has lain dormant…until now. Detective Chief Inspector Ryan returns from honeymoon to face danger from all sides. In the depths of Kielder Forest, a murderer has escaped justice before and will do anything to protect the secrets of the past. Meanwhile, back at Northumbria CID, an old foe has taken the helm as Superintendent and is determined to destroy Ryan at any cost. Who will prevail in Ryan’s most dangerous case yet?Murder and mystery are peppered with romance and humour in this fast-paced crime whodunit set amidst the spectacular Northumbrian landscape.