Anon-A-Miss has become a plague on the halls of Canterlot High. Students are on the brink of a fight every day and tensions are rising in order to stomp out Anon-A-Miss before the winter break.

With no-one in Canterlot High to turn to, Sunset Shimmer braves it alone and decides to pull out her old blackmailing tools in order to get the job done. It might be illegal, but it's the school's last hope for order to be restored.