A young woman gets possessed by a demon and starts eating people's butts. Her friends enlist the help of Father Frank, a catholic priest, to perform an exorcism. Will they stop the demon Gluteus before he eats every human butt in the world?

Kate, an American internet star, lands her dream role as Elizabeth Bennet in a production of Pride and Prejudice. But she struggles with her accent and her theatrically trained co-star, Liam, who feels she is not worthy to play the iconic role.