Berlin playwright Lisa follows her husband Martin to Switzerland, where he manages a private school. However, when her twin brother Sven’s leukaemia begins to wreak havoc on his health, she decides she must return to her roots, which has significant consequences for her relationship.

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 ...