Twilight and her friends have been assigned by Princess Celestia to help prepare the Summer Sun Festival in a sleepy town known as Hollow Shades. But what they don't know is that Hollow Shades holds a long forgotten secret that some have scorned, while others have embraced. Twilight and her friends must now decide the fate of a school of magic that has been deemed evil, but like they say, never judge a book by its cover.