Dr. Georg Rentmeister, der den seltenen Beruf des Lachforschers ausübt, verbringt seinen Urlaub in Salzburg. Aufgrund von Problemen mit der Devisenstelle nimmt er am "kleinen Grenzverkehr" teil und reist jeden Tag nach Österreich ein. Dabei darf er aber nur zehn Mark im Monat einführen. Als er in einem Café seine Rechnung nicht bezahlen kann, hilft ihm das Stubenmädchen Konstanze, in das er sich sofort verliebt. Es stellt sich heraus, dass Konstanze keine kleine Angestellte, sondern die Tochter eines reichen Adligen ist, der in seiner Freizeit Theaterstücke schreibt. Um Ideen für sein neues Stück zu finden, hat er sein Schloss vermietet, das Personal in Urlaub geschickt und gemeinsam mit seinen Kindern die Rollen der Diener übernommen.

Dr. Georg Rentmeiser, who works as a researcher on laughter, is spending his vacation in Salzburg. Because of currency restriction problems, he takes part in a "little border traffic" and travels every day to Austria. But he's only allowed to import a maximum of 10RM per month! When he's unable to pay his bill in a cafe, the maid Constance comes to his rescue and he immediately falls in love with her. It turns out that Constance is not the lowly maid he thinks, but rather the daughter of a rich nobleman, who writes theater pieces in his spare time. In order to come up with an idea for his latest piece, the nobleman has rented a castle, sent the on hand employees into vacation, and, together with his children, has taken on the rolls of the servants.

THERE IS A NEWSREEL PREVIEW BEFORE THE FILM, JUST AS GERMAN AUDIENCES MIGHT HAVE SEEN WHEN THE MOVIE WAS FIRST SHOWN (except this newsreel may not be contemporary to when the film was released).

DVD-R IS IN GERMAN WITH NO SUBTITLES (except for the Newsreel). APPROX. 97 MINS. COMBINED TOTAL. VERY GOOD FILM QUALITY OVERALL.