When Rachel and Kirsty arrive at Rainspell Island for vacation, they have no idea what kind of magical adventure awaits! 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! In the pot at the end of the rainbow, Rachel and Kirsty come across Ruby the Red Fairy. Can they keep her safe and find the rest of her Rainbow sisters...before it's too late?