How can the discovery of a skeleton in a disused Cornish railway tunnel arouse so much unease? When journalist Robbie Glendenning and analyst George Gilbert begin their investigation, they unlock hidden memories, buried secrets and family feuds.As they begin to untangle the threads, it becomes clear that someone is determined to keep the identity of the skeleton hidden forever.Delving deeper and posing awkward questions, the pair must use their matching sleuthing skills to solve a riddle which spans decades.But as past and present collide has Robbie asked one question too many . . .?