A group of young adults spend the weekend at a friend's house by the lake. Joined by the local sheriff, the group encounters an escaped convict Native American chief, a copycat killer and the return of the terrifying masked stalker, Damon.
Dour ex-boyfriend Antoine (Thomas Blanchard) returns to his Belgian hometown where he reunites with his ex-lover and the mother (Judith Chemla) of their five-year-old girl, Elsa (Lina Doillon), whom he has never met. Through an unexpected turn of events, Antoine suddenly finds himself left alone to take care of the young, inquisitive and spirited youngster. Produced by the Dardenne brothers.