Young Austrian Archduke Paul "Gustl" Gustave is in an arranged engagement but his uncle, the emperor, decides to let Gustl carry on a fling with ballet dancer Lisl Gluck.
Cast: Ramon Novarro, Evelyn Laye, Charles Butterworth, Una Merkel, Edward Everett Horton, Donald Cook, Henry Stephenson, Rosalind Russell, Herman Bing, Florine Baile
