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.
Harry Liedtke
Adolphe Engers
Ilka Grüning
Hugo Block
Guido Herzfeld
Hermann Vallentin
Georg August Koch
Max Schreck
Hans Hermann Schaufuß
Walter Rilla
Alfred Abel
Julius Falkenstein
Mady Christians
Robert Scholtz