A wealthy banker who takes his accountant's name after multiple incidents is forced to pass off his girlfriend as his daughter. But the truth is coming out. The banker's wife then favors the marriage of the young girl, which creates a new intimacy in her household.

Babinois courts all the women he meets. He has a mistress, Gladys. He would like to marry the Bourillon's daughter, Monique. His maid, Rose, claims to marry him; Héloïse, a young widow, is madly in love with him. Babinois, not knowing how to refuse women anything, promises marriage to all. The fatal day arrives. The four women show up at the town hall in bridal costume and while the other three are doing their buns, Babinois marries Monique.

A young provincial engineer sends romantic stories he has written to a cousin in Paris, who claims them as his own work.The writer comes to the city and for a while gets even with his relative by having a fling with the man's wife.