The likeable and carefree Grand Duke of Abacco is in dire straits. There is no money left to service the State's debt; the main creditor is looking forward to expropriating the entire Duchy. The marriage with Olga, Grand Duchess of Russia, would solve everything, but a crucial letter of hers about the engagement has been stolen. Besides, a bunch of revolutionaries and a dubious businessman have other plans regarding the Grand Duke. With the intrusion of adventurer Philipp Collins into the Grand Duke's affairs, a series of frantic chases, plots and counter-plots begins.
| Directing | F. W. Murnau | Director |
| Writing | Frank Heller | Novel |
| Writing | Thea von Harbou | Writer |
| Writing | Fritz Wendhausen | Writer |
| Production | Erich Pommer | Producer |
| Camera | Karl Freund | Director of Photography |
| Camera | Franz Planer | Director of Photography |
| Art | Edgar G. Ulmer | Production Design |
| Art | Erich Czerwonski | Art Direction |
| Art | Rochus Gliese | Art Direction |
| Production | Fritz Schwarz | Production Manager |
| Directing | Edgar G. Ulmer | Assistant Director |
