This is the story of seven friends and the years that tried to keep them apart. Princess Twilight Sparkle has loved more and lost more than anypony else. At the end of everything she remembers all she learned from all the times she said goodbye.
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.