The Alicorn Sisters relationship has become strained. One prefers to rule through sheer strength, the other prefers gentle pushes. Their differences in ruling style have created a split Equestria. The Celestials follow Celestia and use weapons that make ponies into abominations. The peace of Equestria has been shattered.
The Ponyville Free Zone is a neutral zone between the Celestials and the New Lunar Republic. The Cutie Mark Crusaders will have to find their way in a world where their livelihood is marred by war. One day, Scootaloo finds one of the crystals that make ponies into shades of their former selves and through its infection becomes one of those abominations. Now she has to find what her crystal seeks and train to fight for her life. She will meet many friends and enemies and she'll realize that the world she knows is not the kind place she believed it was.
A Xam'd: Lost Memories Crossover. Alternate Season 2.