A woman’s lover and her ex-boyfriend take justice into their own hands after she becomes the victim of a rapist. Because some acts can’t be undone. Because man is an animal. Because the desire for vengeance is a natural impulse. Because most crimes remain unpunished. Events over the course of one traumatic night in Paris unfold in reverse-chronological order as the beautiful Alex is brutally raped and beaten by a stranger in an underpass tunnel.