In an effort to protect him from his allergy to light, Santi's mother moves him to a distant, shaded mountain village. But when the local farm animals are repeatedly attacked by an unidentified beast, Santi finds himself under suspicion. Santi knows who the real perpetrator is but clearing his own name will mean raking over the townspeople's worst secrets… Terrifying and tender by turns, this nocturnal thriller offsets the rebel cool of Donnie Darko with some heartstopping shocks.