Nightmare Moon returns from her 1000 years of imprisonment to take over the world. Only in this instance, there is no Mane6 to stop her, no Twilight Sparkle. But NMM isn't alone, she calls for allies, ponies that wish to help her. One such pony a Royal Guard Pegasus steps up to the call and goes to her to help her do her bidding and ensure that the night shall last forever!