Twins Phoebe and Max are enjoying their superhero lifestyle, but when one 'save' goes awry, the Thundermans are sent back to Hiddenville. While Hank and Barb enjoy their return, and Billy and Nora look forward to a normal high school life, Max and Phoebe are determined to regain their superhero status. It centers on the family as they begin a new era of superhero crimefighting. When one save goes wrong, the Thundermans are sent back to Hiddenville.