Mariposa and her furry friend Zee return! In this magical adventure, Mariposa becomes the royal Ambassador of Flutterfield and is sent to bring peace between her fairy land and their rivals, the Crystal Fairies of Shimmervale. A misunderstanding causes Mariposa to be banished from the fairy land. As Mariposa and Zee return to Flutterfield, they encounter a dark fairy on her way to destroy Shimmervale. Mariposa rushes back to help save that fairyland.