Sunset Shimmer has made a lot mistakes in her life, from distancing herself from her parents to her time as a relentless bully. She just wants a fresh start away from anyone who knew the old her. Insert Canterlot High, a last chance school for problem kids where she meets five different girls all there for various reasons, each with a secret to hide. Just across town, Crystal Prep, their self-proclaimed rival come into contact with malevolent forces. Using this dark power, the Shadowbolts decide to declare war on Canterlot High. With the help of her new friends, Sunset hopes to save her school from this evil.