The time has come for Prince Siegfried to choose a bride. But the Prince is not ready to marry and, seeking refuge in a summerhouse on the island in the middle of Swan Lake, he falls asleep, waking in darkness to see a flock of white swans whose reflections are not those of swans at all...
Meanwhile the evil magician, Rothbart, is working his spell to ensure that his beautiful daughter Odille, the black swan, is the bride.