When Aryanne, Ponyville's resident Nazi sympathizer/unicorn supremacist (who is an earth pony), takes over as substitute teacher for Cheerilee's class, she discovers the ponies aren't quite as excited about eugenics as she is.
A new filly has arrived at Ponyville’s school from one of the furthest reaches of Equestria. This is the story of Aryanne’s struggles in a culture so very different to that which she has always known.