Romance about how Alberto Garcia of Bolivia leads twelve ponies -- Big McIntosh, Shining Armour, Soarin, Braeburn, Derpy, Snips, Snails, Flash Sentry, Thunderlane, Dumbbell, Applejack, and Rainbow Dash -- in a major quest to recover the Holy Grail after it is stolen from Equestria by a socialist thief from the Soviet Union.