When Twilight is awake, Celestia is her teacher, and she a faithful student. But when Twilight shuts her eyes, another mare approaches, who teaches her a very different lesson.
Twilight saved Chrysalis from a bitter end, thus changing her own fate and that of the Elements of Harmony. As she learns the power of redemption, Twilight gains power never before recorded in history. Equestria itself will never be the same.
Foals are often more than a hoof full, particularly if your experience with them is limited. When you make a rash decision, deciding to take care of a filly with near unlimited power for example; it becomes even more complicated.
Twilight has agreed to host Princess Celestia for a three month vacation. When she meets her disguised form, she sees her teacher in a whole new light.
Celestia wants a quiet evening in. Shining Armour wants a word with her. These two things are, unfortunately, incompatible. Because Shining Armour's words are all about his little sister, and her place in the monarchy.
Twilight changes Star Swirl's time spell to travel back to the past once more. She ends up in the Pre-Equestrian era and unwittingly saves two fillies in the process. Little did she know what teaching them magic can do for the fate of Equestria.
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.