Ray is getting used to life as Rainbow Grey - she now has ALL the magical weather powers at her fingertips, although she hasn't quite mastered them yet! When all of the cloud creatures start disappearing - including Ray's own beloved cloud cat, Nim - Ray and her friends have a mystery to solve. Ray is sure that the person to blame is Tornadia Twist - Ray's sworn enemy and the worst Rogue the world has ever seen. Can Ray stop Tornadia before she creates the ultimate storm, destroying the magical Weatherlands and Earth FOREVER?