The series "Sisi: Empress of Austria" is a historical drama about one of the most famous European rulers of the 19th century. The Austro-Hungarian Emperor Franz Joseph wants to marry the Bavarian princess Elena von Wittelsbach. However, his plans are turned upside down when he meets her sister, Elizabeth. The sincere and energetic beauty captures the monarch's thoughts, and against the wishes of their parents, she becomes his wife. The series tells the story of the early years of the reign of the great Empress Elizabeth of Austria.