A unique Bavarian girl, Sissi's, life changes forever after the day she meets the charming and noble princes, Franz and Karl. It doesn't take long until Sissi and Franz start to make plans for a future together, but there are so many people trying to make sure that the magnificent wedding day is delayed and postponed several times. Sissi and Franz must face jealousy, deceit, treason, and danger between the fronts of Austria and Hungary.