In this magical Barbie adventure, Mariposa is sent to bring peace between her fairy land Flutterfield and their rival fairy land Shimmervale. While Mariposa doesn't make a great first impression on their King, she becomes fast friends with his shy daughter, Princess Catania. However, misunderstandings cause Mariposa to be banished from the fairy land. When Shimmervale is in danger, 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.