Draco, the adopted brother of Princess Celestia and Princess Luna, has been teaching at the Canterlot School of Gifted Unicorns for a long time. A really long time. He's had his fair share of mishaps, unruly students, prank fire drills, and more. Even so, none of those things could have prepared him for his new colleague: a dragon more than twice his size. When you put a seasoned teacher together with a dragon who seems to have appeared out of nowhere, what could possibly go wrong?