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...