In 1979, the Vatican in Rome realized that a baby girl who had a great relationship with the devil Satan was born in New York. Twenty years later, on December 28, three days before the end of this century, Satan (Gabriel Byrne) reappeared in the flesh of a human banker. The former policeman Jerrick (Arnold Schwarzenegger) who lost his wife and daughter and his security team were hired by the disguised devil to provide protection for him. Soon a priest risked his life to kill Satan, but unfortunately failed. He warned Brick before he died. Brick and his companions found the woman Christine (Robin Tunney) according to the clues left by the priest, and learned that she was a woman destined to be combined with Satan. If Satan could have a relationship with Christine on the night of the millennium, it would mean the destruction of the world. Brick decided to stop Satan as a human being at all costs...