Ondine falls in love with the prince she saves from drowning in a storm. In the name of this love, Ondine endures many hardships, leaves her native home and accepts the unfair deal offered to her by a wicked witch. In exchange for her pretty voice, the witch uses magic incantations to replace Ondine's fish tail with a pair of human legs, enabling her to live on earth like all men. But the prince doesn't understand that his happiness is just around the corner...