The Smiling Lieutenant

The name of this movie is The Smiling Lieutenant released in 1931-08-01 and it's main theme is A simple wink, intended by Austrian palace guard Lt. Nikolaus von Preyn for girlfriend, Franzi, is accidentally intercepted -- and misread -- by the visiting Princess Anna. As a result, the soldier has no choice but to marry the royal lady and move with her to the neighboring kingdom of Flausenthurm. His girlfriend follows to continue the romance and, subversively, give Princess Anna tips on how to keep her husband satisfied..