An unstable young woman commits crazy actions both inside and outside the mental institution in which she lives.

In 16th century Rome, Rampín, a friendly and shameless rogue, exploits his arts of deception. He lives with his aunt, Napolitana, a pimp dedicated to the same trades as his nephew. With the arrival of a beautiful Andalusian, Lozana, her fortune enters their house by making her the most beautiful courtesan in Rome. Lozana and Rampín reach an agreement: he will be at her service, taking her lovers home, and she will treat him like a king and give him the best, something that others will never have. But one fine day, Don Sancho, a handsome Spaniard, falls in love with her.

Richard is a medieval nobleman. After his first wife dies in an accident and is buried in the family vault, he remarries and has children by his second wife. A mad longing for his first wife Leonor comes over him, and he sells his soul to the devil for a chance to get her back. But when she returns, she is a murderous vampire.

A beautiful teenage shepherdess named Adega sleeps one night with a mysterious pilgrim in a barn of impoverished and superstitious Galicia of the nineteenth century. The overwhelming fanaticism of the villagers motivates them to consider the outsider an envoy of Satan, reason why they deny him the lodging. The pilgrim, on the other hand, will react by cursing the people with plague and misery.

A young woman who lives with her uncle begins to dream about a monster that lurks in the shadows of the night.