Sunset moves into her new duplex, but her roommate seems like she's a bit on the 'strange side'. Or more accurately, the 'completely psychotic and probably into all the crimes, all of them', side.
Starlight Glimmer has been granted a few extra days in the mirror world, and is set to explore the strange sights around her with newfound friends like Sunset Shimmer by her side.
Applejack returns to Dodge Junction to help save Cherry Hill Ranch. Against her are trolls, a gang of kleptomaniacs, and a dainty but psychotic griffon. On her side is the most accident-prone pony in Equestria.