Do you truly know the ones you love? When Will (Claes Bang) discovers his wife Rosalind (Olga Kurylenko) and three children have suddenly disappeared, his perfect world begins to unravel. Setting out on a frantic search to recover his family with the help of Rosalind's stepfather Milton (Brian Cox), he finally finds them in a remote village in northern France. But relief soon turns to horror as he discovers that his infant son has mysteriously died. What happened to his family? Is the cost of truth a price worth paying?