When her son Mathieu is killed in a road accident, Camille finds that her entire world is turned inside out. So deep is her sense of loss that the only person she can turn to for support is Mathieu’s best friend, Franck, who was responsible for his death. Only Franck, tormented by guilt, seems to understand and share her grief - neither her husband nor her daughter are of any comfort to her. But Camille’s interest in Franck soon turns into a very morbid kind of obsession..,