Screen adaptation of the play Marivo. Sylvia, incapable of loving affairs, should, according to her father’s plan, marry at all costs. It is for this purpose that Father invites Dorant to spend a relaxing weekend in Switzerland. To find out his true nature, Sylvia decides to change into a maid's costume. Dorant, also in doubt about the future bride, comes up with a similar plan! Gentlemen become servants, servants become gentlemen ...