Applebloom, Sweetie Bell, and Scootaloo Joins a organizing called the Armor Fillies that fights off evil and all kinds of threats all over Equestria.

Derpy along with 19 others are trap within a strange place by a black and white bear name MonoKuma and he states that the only way out is to commit murder and get away with it.

Derpy along with 19 student gets trap with in a unknown area run by a black and white bear who declares that committing the perfect murder will get them home.

Scootaloo, Sweetie bell, and Applebloom joins the organization where fillies fight off evil using High tech Armor from the royal guard.