After reforming, Discord has been living with Fluttershy. He's established genuine friendships with some of the Mane 6 and has been working on re-connecting with Celestia... until the day he's arrested by the Q Continuum.
Lyra thinks Discord is an idiot for not thinking to dodge when the Elements of Harmony were about to strike him. Discord thinks this is the perfect opportunity for a game.
Can former villains learn from one another without driving each other and everyone else insane? Discord seems to think so. Sunset Shimmer, however, has her doubts. And the Sirens aren't helping matters, either.
Mr. Disc, the rehired art teacher for Canterlot High had an argument with a student when he get's pushed into the portal and into Equestria. Dazed and completely confused, he tries to figure out why every living things is afraid of him.