“Lamb” is the story of a childless couple, María (Rapace) and Ingvar, who are sheep farmers in Iceland. On Christmas Eve they find a newborn who is half human, half sheep. Longing for a child of their own they decide to keep the lamb-child and raise it as their own regardless of the consequences有些人注定只是过客,而有些过客,却会在心中留下永恒的印记。