A dysfunctional couple invites a bunch of friends, as well as a trio of hippies, in their country house for a week-end of fun and games, psychodrama and softcore couplings.

Auguste Maroilleur, an elderly farmer, exploits 400 hectares of crop land with the help of his family, over which he rules with an iron hand. Things go awry the day he discovers one of his grandsons is involved in drug traffic. To make matters worse, the reckless youth has hidden the white powder in the Maroilleur farm. Without a moment's hesitation, Auguste gets rid of the toxic substance but, of course, the mob has different views...