Hera, a beautiful mermaid, longs for human life above the sea. She even falls in love with a human- Prince Eric. Her dream and her love for him cause her much pain. She leaves home and gives her lovely voice to the Witch of the Sea in exchange for a pair of legs. In human form, Hera meets Prince Eric again. However, he has to marry Princess Gloria. Hera is desperate. Will she kill the Prince to get her eternal life back as a mermaid? What gives Hera the power to stand all the pain? Is it love?