Four French, wealthy and extremely liberal men of the 18th century, an aristocrat, a clergyman, a banker and a judge (representing the four powers of France), decide to give free rein to their passions for 120 days (four months) at the castle of Silling. There, the 600 types of fun are counted and staged for 120 days, 150 per month and 5 per day. They hire four pimps to count the 150 different types of fun each month. The four men each form a male and female harem and 16 young people who will participate in the orgies. They also have servants in the castle, 46 people in total, who will live all kinds of sexual passions and orgies for three months.