It's not been very long since the defeat of Tirek, Cozy Glow, and Chrysalis; Twilight Sparkle' grand coronation will soon come to pass; and Starlight Glimmer will finally become Headmare of the School of Friendship. After all that has happened, Starlight finally feels that she had adequately redeemed herself and can finally move on from her past misdeeds.

Unfortunately, there's a whole universe full of ponies that won't let things go so easily.

"Starlight Glimmer! Yer under ahrrest fer crimes against equinity!"