Ginette, a Parisian seamstress, lives poorly but happily with her musician lover. When Count la Ferronnière offers to teach her the manners and behaviours that will open her the doors to a richer world, she quickly chooses wealth over love.

A great singer eager to know the love of a sincere woman, in love with him and not with his glory, disguises himself as a worker. He meets the girl of his dreams. A commitment takes her away, she tries to kill herself but he comes back in time and they can love each other without constraint.

Vautier, a wealthy surgeon in his fifties, falls in love with Hélène, a young woman from a modest background. He allows her to have a string of short-lived lovers - but when Jean Trapeau, an old boyfriend, resurfaces, things get complicated.