美麗的公主在壞巫師施了魔法，白天會變成天鵝，夜晚才能恢復人的模樣。王子對公主一見鍾情，邀請公主參加王宮的舞會，要當眾向她求婚......The prince met a beautiful princess by the bank of a lake. The princess was under the spell of the evil wizard that by day she was turned into a swan; only in the hours of darkness she may assume her human guise. The prince fell in love in the first sight, invited the princess to the ball at the palace the next evening. He would choose her as his bride...