A maiden knight falls for a monster, and is plunged through a world known only in fairy tales to us today. All because of a betrayal, a misunderstanding and a dangerous love.
Discord has made a deal with Celestia, or rather the other way around, If Discord can refrain from falling for the sweet mare Fluttershy, then she will not stand in his way. He already has everything, and they can't stop him, so... why not?