When Twilight uses forbidden magic she unwittingly summons a familiar looking creature of the night by the name of Pink, unable to convince her friends and all alone can she be the one to save Ponyville before she loses her sanity?

Or will the CMC prevail as Equestria's number one monster killers as their crusade continues?

On the flip side the new arrival has troubles of her own as she finds a world totally unlike hers, coupled with her hunger means that when she runs into one of her doubles dearest friends it could spell doom for one of the Elements of Harmony.

With little time can those involved be ready for a future very different from their own and can they patch their differences in time to work together to prevent Equestria from falling to the forces of an alternate darkness.