Despite doomsday warnings from throngs of locals, wealthy industrialist Robert Caine (Kirk Douglas) makes the controversial decision to build a nuclear power plant near a sacred cave in the Middle East in this gripping thriller. But before Caine can reap the benefits of his latest bid for global domination, he discovers that his son, Angel (Simon Ward), is the Antichrist, who is planning to use his father's project to trigger the end of the world.