Max, Fang, Iggy, Nudge, Gazzy and Angel, six extraordinary kids who can fly, are back for another wild adventure as they try to save the world ...and themselves. The Uber-Director who created them is planning a worldwide auction of the children to the highest bidder he sees this as his chance to become a billionaire. But first his mutant army must track them down and capture them, which won't be easy. While in hiding from their predators, all six of them wake one evening having heard voices in their heads, they are being told they have an important mission - to save the world from global warming. Their task takes them to the South Pole but as ever, danger is never far away.