After the event at the school went wrong due to her past, Sunset wishes that she was never born. A mysterous teenaged girl, who claimed to be her gaurdian angel, showed Sunset what the world and her friends would be like without her.
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.
As punishment for her crimes, the Elements have cursed Sunset Shimmer to do favors for anyone who asks. Lucky her. And then there's that other Twilight Sparkle she keeps running into...