Who knows more about fighting a monster invasion than a group of teenage horror fans? Billy Rile is smart, adept at Nintendo and has a killer Hi-Fi setup. Life is good. But he has no idea that an alien life form has infected his town, a creature that overtakes and transforms its host. It could be inside anyone: a classmate, a pizza-delivery man, even the girl next door. When Billy's weekly movie night is crashed by this otherworldly menace, he and his best friend and their dates will have to sum