Waldemar, the renowned adventurer, joins an expedition to find the Yeti in the Himalayas. While hiking the mountains, he's captured by two cannibalistic demon nymphets guarding a remote Buddhist temple and becomes their sex-slave. They transform him into a werewolf setting him loose to roam the mountain where he encounters a sadistic bandit.
While Hercules (Mickey Hargitay) is away, his people and the woman he loves are killed by the king of Ecalia. Hercules learns of the murder of his wife and seeks vengeance, only to learn that the kingdom from which the murderers came is besieged from within, by a usurper to the throne. Jayne Mansfield portrays the king's daughter, who sympathizes with Hercules and opposes the u...