The political advisor to the French emperor Napoleon, and the Austrian emperor Franz I, arrange a marriage between Napoleon and the Austrian archduchess Marie-Luise in order to prevent another war. The heart-breaking fact is that Franz, Duke of Modena (Willy Forst) who is deeply in love with the Grand Duchess Marie Louise (Paula Wessely) is who they pick to tell her she must marry the emperor or cause another war. True story.