The Masque of Red Death
Hail to the kings of Edgar Allen Poe film version - Roger Corman and Vincent Price! Satan-worshiper Prince Prospero invites the local nobility to his castle for protection against an oncoming plague; the Red Death. He orders his guests to attend a masked ball and; amidst an atmosphere of debauchery and depravity; notices the entry of a hooded stranger dressed all in red. Believing the figure to be his master; Satan; Prospero is horrified at the revelation of his true identity.