Twilight Sparkle pursues Sunset Shimmer to a world of humans, but she doesn't just meet counterparts of her pony friends! Now she must win her crown and help the Autobots of this world battle for the Allspark against the Decepticons

The adventures of Twilight Sparkle and her friends are retold when Bumblebee drops in on a certain Summer Sun Celebration! Now the ponies must join forces with Optimus Prime and the other Autobots to protect their home from the evil Decepticons!