Over several generations, the story of an aristocratic French family spanning the 20th Century, from the two World Wars to the social and political upheavals of May 1968. Facing adversity, old Duke Sosthène tries to keep traditions alive.

France, 1975. Jean, an exiled Spanish Communist, is a successful screenwriter who, after a tragic event, struggles with his political commitment, his love for his country, under the boot of General Franco, whose death he and his comrades have waited for years, and his complicated relationship with his son. (A sequel to “The War Is Over,” 1966.)

This sex comedy concerns the efforts of Julien to get his timid, "backward" 20-year-old son to take an interest in sex and get married. After a series of adventures with women (arranged by papa), Valentin finally gets married to a woman who appears to be as shy as he is. Things get complicated when his father begins an affair with her.

Nadine's existence changes dramatically when her husband leaves her after 15 years. With the help of her seventeen-year-old teenage son Rémi, who is paternal and protective, she goes back to work.