Earth, unicorn, pegasi, have attacked each other causing the peace treaty to fail. Celestia and Luna stop at nothing to restore peace, even if it means sending her faithful student in head on riots. Twilight Sparkle, was given a mission to try to get her friends back together to help stop this war. Little did she know, since her friends were the elements of harmony they are the leaders of each race.

Rainbow Dash and Fluttershy lead the pegasus.

Pinkie Pie and Applejack lead the earth ponies.

Rarity leads the unicorns.