The mummy of long dormant, but powerful Caribbean voodoo priest Gatanebo gets revived on a luxury South Seas ocean liner as a big buff bald guy and proceeds to terrorize the passengers. Gatanebo beheads several folks, occasionally reverts back to his prune-faced mummified state, and falls for the ravishing Sylvia, who reminds him of his old flame Kenya.
The head of the FBI explains that hippies were good, but that they have degenerated due to psychedelic painting, drugs, and becoming addicted to free love. Secret Agent Frank investigates Sandy, whose daughter has disappeared, apparently because of hippies.