The Masque of the Red Death (1964)

The evil Prince Prospero is riding through a Catania village when he sees that the peasants are dying of the Red Death plague. Prospero asks to burn down the village and he is offended by the villagers, Gino and his father-in-law, Ludovico and decides to kill them, but Gino's wife, the young and beautiful Francesca, begs for the lives of her husband and her father, and Prospero brings them alive to his castle, expecting to corrupt Francesca. Prospero worships Satan and invites his noble friends to stay in his castle, which is a shelter of depravity against the plague. When Prospero invites his guests to attend a masked ball he sees a red-hooded stranger and he believes that Satan himself has attended his party. But soon he learns who his mysterious guest is.