Plot synopsis: The Arch-Duke Herr Sixtus especially cares for Arts and particularly for young ballet students. The same is true of the Arch-Duke A.D.C., Herr Count Paul Paladin who shares with the Arch-Duke a special affection for Frau Elisa Jenkins, a young ballet student. Unexpectedly and thanks to a misunderstanding involving Frau Elisa and the Arch-Duke, the young student will become the new Prima Ballerina of the "Wiener Staatsoper".