After the events of Project: Sunflower, Erin returns to Ponyville to study magic. Meanwhile, something is stirring on the newly-discovered world of Harmony.
There is a secret held in the dungeons below Canterlot, deeper than the crystal caverns into the roots of the mountain. This secret is a creature imprisoned by the Princesses. It is a source of great knowledge, but may ultimately be a great enemy.
In an Equestria where Celestia and Luna have slain each other, a human is brought to Equestria in the body of King Sombra, in hopes that he might be able to save the kingdom from the fiends of Tartarus...
Twilight assumes that her life is all she's ever known, but what if it's just one of many? What if everything—her personality, her world, her identity—was nothing more than a fantasy?
Some might call locking up the pony who turned you into stone an act of revenge. For Discord, it's restoration. He'll have to keep Celestia from figuring out his lies before he gets back what he had taken from him... his family.