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. While Mariposa® doesn't make a great first impression on their King, she becomes fast friends with his shy daughter, Princess Catania™. However, 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 and helps Princess Catania™ save her fairy land and together, the two girls prove that the best way to make a friend, is to be a friend.