Fairyland is home to seven colorful sisters. Together, they are the Rainbow Fairies! They keep Fairyland dazzling and bright. But when evil Jack Frost sends them far away, the sisters are in big trouble. If they don't return soon, Fairyland is doomed to be gray forever!The merry-go-round whisks Rachel and Kirsty away to a magical world. Could Heather the Violet Fairy have something to do with it? Help the girls find the last Rainbow Fairy, and bring the color back to Fairyland!