Homer's obsession with the TV show "Storage Battles" leads the family to discover Grampa's past identity as "Gorgeous Godfrey," the most feared, villainous man in pro-wrestling history. What's more, he was once revered by a young Montgomery Burns who now convinces Grampa to get back in the ring. But when Bart starts to adopt some of his grandfather's former cheating ways, Grampa must reconcile with his past before it's too late.