When one former student of Princess Celestia's steals Twilight Sparkle's crown, the newly crowned princess must pursue her to a world of humans. However, she not only discovers counterparts of her pony friends, but a team of Autobots consisting of familiar and unfamiliar faces. Now she must not only win her crown back from Sunset Shimmer, but she must also help Optimus Prime, Ironhide, Ratchet, Bumblebee, and Jazz fight off the Decepticons and protect the AllSpark.