In a palace on the Côte d'Azur, a whole fauna evolves: a colonel who cheats on his wife, the colonel's daughter who flirts with Fred, Fred's friend, Emmanuel, who is in love with Marion, and Marion who kills himself. believing that Emmanuel does not forgive him for having, out of idleness, yielded to Fred one day.

A music-hall singer leaves his loving wife to run off with Delphine. The singer's wife and Delphine's husband make them believe that they love each other and the singer, already tired of his affair, wins back his wife's heart.