When the pretty pink fish tells the mermaid sisters about the strangers, Daisy and Azalea decide that it is time for more adventures. As always, they are excited and happy to start the new day with new adventures, especially when danger is involved. Azalea does not know that this time the adventures will be more than she could imagine, while Daisy gets on the verge of despair, trying to save her sister. Luckily, the pretty mermaid has a few good friends who can help her rescue her sister. But will their help be enough? Or will poor Azalea be gone forever?