The story of Claire Church, a former police officer who moves away to the remote Western Isles in an attempt to escape the past and violence that still haunts her. Soon, Claire is pulled back into an investigation she thought she long left behind, by her former lover and colleague DCI John Hind and his new DS Anthony Boyce.

Five criminals unknown to each other are hired to complete a bank robbery. What should have been a smooth operation soon descends into paranoia, violence and horror.