During the events of May 1968 in France, different worldviews of conflicting relatives collide in their family estate.

Michel Piccoli
as Milou

Miou-Miou
as Camille

Michel Duchaussoy
as Georges

Paulette Dubost
as Madame Vieuzac

Harriet Walter
as Lily

Bruno Carette
as Grimaldi

Martine Gautier
as Adèle

Rozenne Le Tallec
as Marie-Laure

Jeanne Herry
as Françoise

Renaud Danner
as Pierre-Alain