All was quiet in the city of Canterlot. For years, this place was peaceful. Nothing major happens, that is... until a force from another dimension makes its presence known.
It's been almost a decade since the Battle of the Bands and Sunset Shimmer has been trying to clean up the mess she made. After series of unrelated crimes, Sunset, now known as The Phoenix, may need to finally ask for help.
When Twilight Sparkle's inventions are stolen, Sunset Shimmer and the Rainbooms track down the new master criminal in Canterlot. There's hacking, silly robots, magical combat, and Twilight Sparkle getting annoyed about capital letters.
As graduation approaches, the crack in the portal to Equestria grows into a gaping hole, unleashing more magic than ever. Thus, it's up to Sunset to stop the flow of magic with her friends and determine which world she belongs in for good.
As graduation draws near, magic begins to awaken in the human world, drawing out old rivals and opening the doors to new adventures. It's up to Sunset and her friends to keep Canterlot safe, all while dealing with their looming futures.