Carrie is a religious fundamentalist. But her mother decided to come-out-of-the-closet and marry another woman, which they have a daughter together with. Now, she is forced to move into a new house with people she cannot accept. The story takes place over the first two days at the strange house, as Carrie's new parents leave for a business trip and she must now take care of her stepsister. As creepy occurrences lead to full blown terror, Carrie must learn to overcome her own fears and beliefs to save her little sister.