Twilight manages to turn herself into a draconequus - now the only one who can help her learn to control her new chaos magic and change back is Discord. What could possibly go wrong?
After developing a new portal that can explore other dimensions, Twilight and Sunset are pulled into an adventure, where they meet even more doppelgängers of themselves. Together they have to save the day, and learn about each other in the process.
Discord, Nightmare Moon, King Sombra and Queen Chrysalis have been reduced to foals and placed under Princess Celestia's carful gaze and she does her best to keep the four out of mischief.
Reports of magic being used in Canterlot High School has caught the attention of a secret organisation. A young agent named Sweetie Drops is assigned to investigate. Unfortunately, it turns out the mission won't be as simple as first thought.
With her new apprenticeship under Nightmare Moon, Empress of Equestria and Queen of the Eternal Night, the orphan filly Twilight Sparkle plunges head-first into the conspiracies, secrets and intrigues of the Empire.