Ever since her father disappeared Shyanna's home has been a sad place, but if the twelve-year old mermaid can conquer her stage fright before the Melody Pageant, she hopes to win the contest and bring song back to her mother's life.
Rachel is new to the Kingdom of Neptunia, and she has two secrets--she is half human which only her friend Shyanna knows, and her boy friend is a human boy, Owen, who does not know know she is a mermaid.
The Spirit Squads that represent the different castles are an important part of the Kingdom of Neptunia, and Cora and Shyanna are delighted to be chosen--but their friend Rachel was left out, and when Cora finds out why, she is forced to make a big decision.