Lilian Harvey plays a young heiress in long-ago France named Madelon who is raised by her grandfather as a boy in order to frighten away fortune hunters. But when the old man dies, her guardian Cesaire wants to marry her off to the rich prefect Barberousse. She is tricked by Cesaire with the portrait of a young man (Viktor von Staal) which is presented to her as that of her future husband. But when Madelone discovers this scheme she flees, again in men's clothing. But on her route to escape, she meets the young man from the portrait and falls in love with him. But Madelone can't give up her disguise right now...
Lilian Harvey
as Madelone alias Don Juan de Casanova
Paul Dahlke
as Césaire, ihr Vormund
Aribert Wäscher
as Präfekt Barberousse
Viktor Staal
as Fernand de Villeneuve, ein Kavalier
Paul Kemp
as Henri de Grau, sein Freund
Kate Kühl
as Gräfin Mallefougasse
Anton Imkamp
as General d'Estroux
Margot Höpfner
as Eve Mallefougasse
Hedi Höpfner
as Anais Mallefougasse
Gudrun Ady
as Klosterschülerin
Ellen Becker
as Manikure bei Henri de Grau
Heinz Berghaus
as Brautwerber