On a dark night filled with even darker magics, an insane cult attempts to give Nightmare Moon a body and life of her own, utterly separate from Princess Luna. But, when the spell is interrupted by Celestia, something unexpected is created.
Now, a little black alicorn filly named Nyx finds herself living under the care of Twilight Sparkle, only to be haunted by memories and emotions from her past. Is she Nightmare Moon reborn or is she simply a doppelganger with a soul and mind of her own? Can Twilight Sparkle protect Nyx from those who refuse to see past her dragon eyes and black coat?
Or, will Nyx be forced to inherit the sins that may not even be hers and become the greatest evil Equestria has ever known?
Can Nightmare Moon, reborn without her hate, ever escape her past?
In the aftermath of Past Sins, Twilight and Nyx go through the things from Nyx's castle bedchamber
Can Spike trust Nyx again after her actions almost got Twilight hung?
Can Nyx find acceptance with her extended family during Hearth's Warming, or will she find the holiday hymns are filled with nothing but hollow promises?
These are Nyx's first hours.