1847. Franz Liszt meets the beautiful princess Caroline von Sayn-Wittgenstein in Kiev. The two fall in love, but the princess is forced to marry an elderly general. When the revolution breaks out in Hungary, she flees with Franz Liszt to Weimar. They also ask the Pope to annul Caroline's unhappy marriage, a question that remains unanswered for the time being. Can Liszt and his princess stay together for long?