After a dark force conquers Canterlot, the Mane 6 - Twilight Sparkle, Applejack, Rainbow Dash, Pinkie Pie, Fluttershy, and Rarity - embark on an unforgettable journey beyond Equestria where they ...

So Fluttershy, Pinkie Pie, Rainbow Dash, Rarity, Applejack, and Sunset Shimmer must work together to win the cup. But they find out that the other Twilight Sparkle is on the opposing team.