The Masque of the Red Death (1964)

In medieval Italy, a prince holds a luxurious masquerade ball in his abbey while a deadly plague ravages the land. As the partygoers indulge in their revelries, a cloaked figure representing the Red Death crashes the event and brings death and destruction to all. The prince, obsessed with defying mortality, tries to escape the horrors but soon realizes that he cannot outrun his own fate.