When his wife ROSALIND (Uma Thurman) suddenly disappears after the birth of their son, WILL (Toby Stephens) sets off on a frantic search for his family across Europe. Relief upon locating his twin girls in a remote village in northern France quickly turns to horror when Will discovers that his baby son has mysteriously died. Will finds himself faced with the decision to contact the authorities and risk his wife going to prison or cover up the death to protect his family. As the mystery behind Rosalind’s actions slowly begins to take a dark and menacing form, Will questions her guarded, shadowy past and the image of their once blissful marriage begins to crumble. Not knowing who or what he can trust Will sets out on a relentless search to discover the truth—no matter the cost.