The pharmacist Bourrachon learns that his wife Adrienne deceives him with Dr. Rigal, whose specialties he sells in his pharmacy. His sister, the authoritarian Mrs. Bruneau, urged him to divorce and introduced Geneviève to substitute Adrienne. But after five months of marriage, Geneviève gives birth to a child whose real father turns out to be Henri, the salesman of the Bourrachon pharmacy. Mrs Bruneau will then try to persuade her brother to bring an action disavowal of paternity for the honor of the family and especially to protect the inheritance of his own daughters. But Bourrachon will eventually become attached to the child and endorse his paternity.

Dora Nelson, a famous actress, leaves both her husband Philippe de Moreuil and the role she was playing in a movie directed by Nivert, to follow her lover Santini in Italy. But she soon realizes that Santini deceives her with a girl named Elsa. In vexation she decides to return to her husband and to her career. Unfortunately for her, Suzanne Verdier, a little working girl, has in the meantime replaced her not only in the film she had left unfinished but in her husband's heart as well. Dora eventually understands she must step aside.