Filmed on location in England and Morocco, the story concerns 13th-century Saxon nobleman Walter of Gurnie, who, after sparking an unsuccessful rebellion against the Norman conquerors of his homeland, sets out to seek his fortune in the Far East.
An aristocratic party is crashed by the Count who was accused of murdering The Baroness' first husband. Everyone belives he is the killer, except one who vows to find the real killer.
Directed by F W Murnau (Nosferatu, Faust, The Last Laugh, Tabu)
After the mysterious death of their colleagues, scientists Robert Jones (Robert Culp) and Frank Enari (Eli Wallach) are sent to an isolated research station deep in the Arctic Circle to continue their observation of monkey behavioral patterns. As the two men quarrel over who has to clean the station and other responsibilities, they slowly realize that the deaths of their co-workers may have something to do with a mysterious and dangerous presence, one that the monkeys increasingly fear.
In a desperate attempt to reach his ill wife, organist Anton Phibes (Vincent Price) is horrifically disfigured in a car accident and presumed dead. When he learns that his wife died during an operation, Phibes blames her surgeons and plots an elaborate revenge to punish them for their incompetence. With the help of a mute assistant (Virginia North), Phibes creates a mask resembling his own face and murders the surgeons one by one using bizarre methods inspired by the biblical plagues.