When Leonard Franks and his wife Ellie leave London for a dream retirement in Dartmoor, everything seems perfect. But one afternoon, Leonard goes to fetch firewood, and never returns. With the police investigation dead in the water, Ellie turns to David Raker. Raker tracks down missing people for a living, but nothing can prepare him for this. Because, behind Leonard's disappearance, lies a deadly secret, buried so deep it was never meant to be found.