A filmed adaptation of one of the most romantic ballets ever choreographed, performed by the world famous Kirov Ballet. The lovely Princess Odette has long suffered under an evil magician's spell: by day, she lives as a swan, while at nightfall she become a woman once again. And she will only be free if a man swears undying love to her -- and keeps his promise. One evening, the handsome Prince Siegfried steps into the clearing where Odette lives and hears her tragic story. The smitten prince instantly vows to save her. But the cruel sorcerer Rothbart has a trick to make the Prince unfaithful...