In order to rule the fantasy wonderland, the evil witch Luvina (voiced by Kathleen Barr) kidnapped the kind mermaid prince, and the only one who could save him from the water and fire was Alina (voiced by Kelly Sheridan). In order to save the prince and the fantasy wonderland, Alina found a mermaid named Nori (voiced by Chiara Zanni), hoping that she could help her. However, Nori is notoriously cautious and suspicious. Can Alina convince her? Difficulties and dangers are still behind. Soon, Alina finds that in order to defeat Luvina, she must give up everything she has, including the wings that are extremely important to her. In the face of the meager odds, will Alina still be as resolute as before? Once again, with friends and comrades around her, kindness and courage in her heart, Princess Barbie is on the road.