When Megan winds up her music box, she's surprised to hear a tiny voice calling to her over the tinkling melody - it's the Fairy Queen from the Land of Eight Kingdoms, a magical place far away! The Fairy Queen has been imprisoned in the Magic Secrets Box by an evil enchanter, and needs Megan's help to break the spell...
This time, Megan becomes a mermaid and is sent to the Emerald Seas. Here she must help a mermaid called Celeste, who is always telling tall tales. When Celeste tells her friends about seeing a terrifying sea monster, no one will believe her - but this time she's telling the truth! It's up to Megan to befriend the creature to help break Sorcero's spell...