Luna's betrayal plunged Equestria into chaos. In a bid to restore harmony, Celestia calls upon the very ponies who once served the Nightmare to drag the world from the ashes – and find the monsters who would threaten our future. I am one such pony.
Nightmare Moon won. She defeated Celestia, broke the Elements, banished the sun. This all happened a very long time ago. So long ago, that she has had plenty of time to change her mind. Not that fixing it will be simple.
After her expulsion from the Wonderbolts Academy, Lightning Dust finds a village attacked by an ursa major. Against her better judgement, she tries to help the ponies.
In the blink of an eye, all life was wiped from the face of Equus by an abomination born of the stars. That is, all except for four immortal Princesses. Now they fight for the only thing they have left other than their grief... revenge.
Before her fall, Luna lived entire lifetimes as a mortal pony. She now wishes to do so again, and elects to spend some time with Twilight Sparkle and her friends. She never expected to fall madly in love.
Twilight Sparkle: librarian by day, monster hunter by night, and irredeemable cynic all throughout. Vampires? Simple. Zombies? Easy. Pretending not to see them every night? Now that is a challenge...