Sunset Shimmer is Celestia's prized student. Cadence is Equestria's newest princess. They never really got along well, but after Cadence's coronation, it just gets worse. Especially now that Celestia wants them to be... best of friends?
Sunset Shimmer is a Princess in Equestria she and her friends decide to visit the Crystal Empire for a few days, nothing can go wrong with this trip. Right?