Guido Herzfeld

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... (imdb)

Lubitsch stars as an idiot shoe salesman

Lea, Damen Pola Negri, is a Jewish girl who wants to go to St. Petersburg to help her ailing foster father. She's learning to be a wise and independent girl (those kind of characters that Damen Negri was so fond of during her career) but she is warned by her teacher that because she is Jewish she will not be given the usual work/travel permits, if she wants to travel she will have to be given a special paper, a yellow ticket. These permits are usually given to a certain kind of woman.... (imdb)

Idealistic journalist trying to help young doctor financially. In her pursuit of raising money she frequents a loan shark, finally killing him.