Lucie turns the house of chic dandy Gaston upside down.
The son of an industrialist is in love with a saleswoman employed by his father. The latter coos with an ingenue from whom he hides the age of his son. A department manager involved in all this has his sentimental disappointments. A double marriage puts a happy ending to the plot.
Claire and Jean are lovers, but Claire's father opposes this union, because Jean is the son of a woman he once knew. Jean becomes a great singer, but doesn't forget Claire.
