A glamorous female singer Zazà (Isa Miranda) has an affair with a passerby engineer Dufresne (Antonio Centa). But when Zazà impatiently comes to him in Paris she finds out that he is married and even has a daughter. He wants to escape from his relatives with Zazà, but, disillusioned and exhausted, she rejects his proposition and insists on his coming back to his family.
