For the launch of his new giant horoscope computer, famous astrologer Alex invites to his private island friends representing each of the 12 zodiac signs. During the welcome party, one of the guests is mysteriously murdered. Unable to leave the island, the others witness new deaths, always announced in advance by the computer.
A comedy about the happiness of several people who won the number 12 of Sports Lottery, thinking they are the only winner. Among them, one priest seduced by the devil disguised as a sacristan, one taxi driver who is planning to buy an entire fleet of cars, and prostitutes who leave their brothel, only to return again later.