D.S Mack Stone's (John Hannah - Rebus, Sliding Doors) wife, Lucia, disappeared without trace three months ago. Now on compassionate leave, Stone uses every waking hour to try and find her. In a story brimming with twists and turns, Stone investigates an unsolved murder and finds his personal life inextricably linked to that of the murderer.An amnesiac might be a key figure in Detective Mackenzie Stone's search for his own wife, who disappeared five years ago.