When Spike finds an old book called, "Gender Bender", Twilight has a sudden urge to cast the spell within it's dusty pages. But she can't do it alone, of course. She invites her friends to see her amazing spell casting, and all is well, until Twilight activates it. When they wake up, there are familiar faces above them. Too familiar, but at the same time different. And as they explore the town, they realize all is not well. For example, Prince Celestia and his brother, Prince Luna rule the land of Equestria.