When a Keldeo stumbles into the world of Equestria, the Mane 6 befriend this odd pony and decide to help him go back home. But his sudden appearance in Equestria was no mere coincidence,as it was foretold that a colt Pokemon would destroy a menace that threatened Equestria in ancient times. Will Keldeo be able to destroy the ancient menace and return to his world?