British agent working in Russia is forced to remain longer than planned once the revolution begins. After being released from prison in Siberia he poses as a Russian Commissar. Because of his position among the revolutionaries, he is able to rescue a Russian countess from the Bolsheviks.

• London Films Productions
• United Artists
• Marlene Dietrich
• Robert Donat
• Irene Vanbrugh
• Herbert Lomas
• Austin Trevor
• Basil Gill
• David Tree
• John Clements