Mermicorns are the most special and unique creatures in all of Fairyland. Evelyn the Mermicorn Fairy helps keep them and their magic gems safe. The gems give fairies everywhere the confidence to believe in themselves. But when sneaky Jack Frost steals the gems, it's up to Rachel and Kirsty to help save the day. If they don't, all of the fairies in Fairyland will lose the confidence to help others!