Archduke Johann Salvator, a member of the
Habsburg Family and an officer serving in the
Austrian Army, causes a scandal by falling in love with and marrying the dancer Milly Stubel. Condemned as insane by his family and confined in the
Schloss Ort in rural Austria, he manages to escape with his wife to
Genoa where he renounces all his titles and calls himself Johann Orth. They plan to sail away to start a new life away from the conventions of
Vienna, but a courtier seeks vengeance on them by plotting to sink their ship. ==Cast==