Sunset Shimmer has finally decided to remain in the human world after the events of the Friendship Games, and has also resolved to study magic in her adopted home and defend it from any threats of dark magic alongside her friends. Then a mysterious incident leads Sunset and her friends to run straight into a dangerous world of supernatural beings that have existed in the human world for eons; twisted souls known as Hollows and the beings known as Soul Reapers that battle them. Where will this twist of fate lead the girls, and what secrets might be uncovered about their pasts in the process?