Sonia Rangel

A young girl's arrival at a convent after the death of her parents marks the beginning of a series of events that unleash an evil presence on the girl and her mysterious new friend, an enigmatic figure known as Alucarda. Demonic possession, Satan worship, and vampirism follows.

Snippets of a family drama involving a rebellious son coming to his depressing home village, his father, and a jaded ex-lover, mixed with various surrealist scenes and statements about sin.