Starlight Glimmer: skilled unicorn with a history of evil. Sunset Shimmer: skilled unicorn also with a history of evil. Both of them alone and unsupervised in another dimension. This is gonna be great!
Alert: Contains spoilers of episodes 25 and 26, but only in the first chapter !! Sunset Shimmer returned to Equestria to review her mentor. But now, nothing is more like it was before.
Things come to a head as recent events bring Sunset Shimmer and her friends in conflict with a government agent and something angry lurking in the woods outside Canterlot City