Susana leaves her life in Paris, where she works as a model, and returns to Madrid to take care of her grandmother Pilar.
Spain, 1949. Narcisa, a novice, arrives at an old convent, converted into a girls' school, to work as a teacher.
Two young friends from New York travel to Barcelona to get over the break up of one of them. But things won't go as expected and they will end up trapped in a house where they will have to fight an evil girl and the evil inside them.