Mariposa is a much admired and beloved fairy around Flutterfield because between her and her friends managed to save the queen of all the fairies and they avoided that the fairies were eaten by fearsome monsters lurking at night. Therefore, the kings has entrusted to Mariposa a new mission: to attend Shimmerbell and seek reconciliation with the glass fairies, with those who the butterfly fairies have been long fought. The butterfly fairies no longer want to feel more fear.
Everyone in Flutterfield thinks that the glass fairies are bad and they destroy the butterfly fairies. And everyone in Shimmerbell thinks the same about the butterfly fairies. That is why the best ambassador of peace that can be used is Mariposa. So begins the adventure of our friend going to an unknown realm that does not seem as scary as it had been described.
Even Mariposa befriends Princess Katania, a good and lovely glass fairy. Both fairies have a lot in common. Both must face Gwillon a sorcerer who seeks to destroy the kingdom. An act that will teach them great lessons to both the butterfly fairies and the glass fairy. Will Mary unite the two kingdoms? Will be able Mariposa save them from all of Gwillon’s power?