In the sheikhdom of Ad Achma, the question of succession to the throne is still completely open. Until the day when Father Oberholzer wins a cruise to the sunny sheikhdom in a competition.

Little Erna is a cheeky Hamburg girl. She gets up to the greatest pranks with her boyfriend. That's why her mother sends her on vacation alone to her aunt. There, too, the little girl gets up to all sorts of mischief...

Mr. Brow, the boss of an American toy company, sends his employee Trixie to Vienna. She is to investigate the company Wiesinger & Sohn, with whom the American wants to do business. Trixie soon realizes that the Wiesingers are shady con artists. Unfortunately, she falls in love with the junior of all people.