I know what happeneds Barbie takes her neckless and the shark's go after her and they took of her tail and it's reveld and arise tells her shark's to Push her in her dungene and when she was in there she became a real mermaid and she beat arise and that's how she saved every one and she finds her mum and she got sad because she thought she would never see her friend's or her granpa but her mum gave her a neckless to become a mermaid and a normal person