The blood-soaked story of a twenty-year-old girl (Tunney) who has nightmares about a mysterious man. Security guard Jericho (Schwarzenegger) finds himself caught up in the situation when he discovers that Satan (Byrne) is roaming the streets of New York City, trying to mate with the girl in the millennium's final hour. If he manages to impregnate her during these sixty minutes, she will give birth to the anti-Christ, who will put an end to the world forever.