Jotaro Kujo send his daughter, Jolyne Cujo to Canterlot High to see Rainbow Dash of what she's cable of. The two will clash like their a one-man army and see which of them will walk out of the battle victorious and the other laying in bed for a while. The rainbow vs The strings! A sports girl vs a delinquent girl! Magic of the element of Loyalty vs Stand Power! Will Jolyne sees Rainbow Dash and her friends as threat to humanity or powerful allies to fight against the forces of darkness.

Time set a few weeks after the Friendship Games movie.