AllMovie

In this romantic musical, a Russian prince sees a lovely singer in a town cafe and falls head-over-heels. Realizing that he cannot be seen with her in royal garb, he masquerades as a worker. Later he secretly arranges for her to sing at the Imperial Opera. Unfortunately, his father the emperor is wounded that night by the wicked Reds. The girl's father is among the would-be assassins. Years pass. Just before the dawn of WWII, the girl and her family are exiled to Siberia while the former prince heads for Paris to become a famous nightcub singer. When revolution erupts in Russia, the girl is freed and the lovers are eventually reunited.