A young mare must discover the secret of her own nature in order to stop the destruction of ponykind while an ancient adversary with a vendetta intends to reclaim his former glory.

Misty looks up to her hero, hoping one day to be just like her. But when tragedy strikes, how can she come to terms with the fact that even heroes cannot always save everyone?

In a nation at war, a vengeful shadow seeks to shatter a young alicorn's resolve, forcing her to confront the darkness lying within her. Both are plunged into a relentless dance between horror and heroism as the fate of the world hangs in the balance