Two lovers romance is impeded by voodoo in the Caribbean. They are drawn into destructive rites, rituals and practice of Obeah. The young woman is the evil spirits focus. The mighty forces are summoned by a dark priestess. "I'm an Obeah man, I'm not a science man, I see things," says the man, who is known by only one name: Judge.

A sailor, known as the Adventurer, searching for a lost American explorer discovers him being held hostage on a remote island in the South Sea. The man is held captive by the island's natives, who have placed him under a voodoo spell known as "obeah.