Sylva Varescu is an operetta singer performing Kálmán's Die Czardasfürstin through Europe with great success. Before going to Vienna she meets handsome Prinz Weylerstein and they fall in love. Offered a contract for America, she doubts until she finds out that he is already engaged to a countess.

• UFA
• Mártha Eggerth
• Hans Söhnker
• Paul Kemp
• Paul Hörbiger
• Ida Wüst
• Marina von Ditmar
• Hans Junkermann
• Ilse Fürstenberg