When his wife mysteriously vanishes, Detective Mackenzie Stone (John Hannah) begins an exhaustive hunt to find her, navigating his way through countless twists and turns as he doggedly pursues the investigation. Five years after his wife's disappearance, Stone finally finds himself with a potential lead -- Jenna Dean (Jemma Redgrave), a woman who suffers from amnesia. Facing cunning lies and deceit, Stone must crack the code that is Dean's memory if he has any hope of tracking down his wife.