Rudolf, the only heir to Emperor Franz Josef of Austria-Hungary, is trapped in a loveless marriage to a Belgian princess. As he seeks to flee his stifling environment, he meets the beautiful Maria, and the two enter into a scandalous affair. Despite the interference of the Emperor, the couple refuse to give each other up.
- Genre: History, Drama, Romance
- Studio: Nero-Film AG, Mercury Films
- Keyword: emperor, prince, heir
- Cast: Charles Boyer, Danielle Darrieux, Jean Dax, Yolande Laffon, Suzy Prim, Gina Manès