After the events of Project: Sunflower, Erin returns to Ponyville to study magic. Meanwhile, something is stirring on the newly-discovered world of Harmony.
With Equestria facing a war on three fronts, Princess Luna, Rainbow Dash, and Shining Armor must join forces to unearth a secret buried years in the past before it's too late.
Rarity and Fluttershy have been friends for years, and every week they go to the spa. But after every trip, Rarity finds herself growing greener with envy over Fluttershy's beauty and grace, if not something more than just envy—
Discord haunts Twilight's dreams as she and Luna share romance. Celestia frets over Discord's seal. There is more to the the story of these three ancient beings than meets the eye, and Twilight Sparkle is about to get a crash course.