The Canterlot Exchange, ten thousand humans and ponies pass through its doors every day, on their way to destinations all across Earth and throughout Equestria. These are just a few of their stories.
When a remarkable spell summons a human mind into the body of a unicorn filly, Princess Twilight Sparkle does the only thing she can think of: Take on an apprentice.
In the last, desperate hours before doomsday, a final, fateful rocket prepares to leave the planet and carry the hopes, dreams, and future of all ponykind with it.