A reckless young woman has her driving license withdrawn, drives home anyway and gets involved in a traffic accident. Realizing this was a little over the top she decides that she has to flee the country. As fate has it, she misses her train and instead meets a handsom young man who imidiately falls in love with her. This marks the beginning of a long night of misunderstandings, chases and courting.

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...