The film commences with a pregnant woman (Eva Green) telling her unborn child that the father has departed for good, but that together they will start a new life. A love story is then told between two children, Rebecca and Tommy, who swear each other eternal love. When Rebecca departs suddenly for Japan with her mother, the two are separated. Twelve years later, Rebecca returns as a young woman to find that Tommy (Matt Smith) not only remembers her, but still cares deeply for her. The two begin a new relationship.