Nightmare Night is the night for horror and fun and candy, everything is going as planned... until the news of multiple towns winding up destroyed reaches the ears of everypony.

Equestria's darkest hour is at hand, and an ancient evil has returned, and he brings with him, dark forces beyond nightmares.

But amidst the chaos, a new ally presents himself, can Twilight and her remaining friends stop the oncoming apocalypse before it's too late?