Two distant cousins meet at a wedding banquet for an elderly couple. Over time, a close friendship develops between them, but their spouses begin to think that they are more than just friends.

Normandy, France, 1976. After 2 years of wild love with Nadia, Pouplard, an unemployed heating engineer working in his girlfriend's butcher shop, decides to marry her and leave his wife and daughter. He'll have to struggle against his own jealousy and Nadia's incredible sex appeal to get through this 'moment de vie'.