Following Doc's merciless failure at holding off these strange new foes, he fights back with a new level of brutal efficiency, but shows himself for what he really is in the process. Twilight and friends attempt an understanding of his position, learning of his unexpected past and just what situation they've been pulled into. Everything is changing at an alarming rate, and nopony knows just what to do. But as problems get solved and friendships are restored, a different, much larger dilemma waits for them on the horizon. A plan to stop these impossible stallions, by whatever means necessary.