Bracket Wood is about to be visited by the school inspectors. But there's one big problem: Ryan Ward. The maestro of practical jokes. But when Ryan finally goes too far, the head teacher just walks out. And then the new head teacher, Mr Carter, arrives. A man so strict even the teachers are scared of him. So imagine his surprise, and Ryan's, when they swap bodies. Now Ryan is in charge which is every naughty kid's dream. But when Bracket Wood goes off the rails completely, only its worst ever pupil can fix it.