An Army Delta Force officer is late picking up his son at college. His son and a Supreme Court Justice's daughter are the last there. A gang of terrorists are there to abduct her and force her dad's hand on a Second Amendment vote.
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.
A family finally comes to terms with the grief over their son's suicide 25 years earlier.