Since Mystery inc destroyed the notorious Scheme by Pericles and his master, The Evil Entity, they're imprisoned in the confine of the portal.
But now, the remains of the evil duos were still at large thanks to their minds.
One of the exact oldest disciples was none other than The male Father to The once beautifully girl band on Canterlot High,The Dazzling, Forte Luster Dazzles, wants to do every thing in his power to resurrect his old master out from the portal to reclaim equestria.