In London, the radiologist Gina McVey has organized a surprise party for her father, John McVey and her boyfriend Stefan Chambers, his brother Daniel McVey and his girlfriend Kate Coleman. The next day she saw the car driving on the road, and she followed the woman into her apartment, where she finds a photo of her father and herself. While driving home she has a car accident and lost part of his memory, in addition, they believe, Stefan is a different person. Gina decides to investigate what is happening and unravels a grim reality.
Cast: Lena Headey,Ulrich Thomsen,Melvil Poupaud