When Nightmare Moon enters Ponyville at the end of her banishment, she is not alone. Deep inside her consciousness the remnants of Princess Luna remain, hopeless and unnable to interfere.

Somepony rudely enters Sugarcube corner and declares it closed due to a rodent probem. Pinkie Pie investigates and uncovers one of the greatest complots in Equestrian history.

With an old foe returned a decade before her birth, Twilight has known nothing but eternal night. When things are due for a change it is her chance to prove the world that darkness is perhaps the best place for new light to shine.

Will Twilight and her companions be able to survive a jungle of bad plans, physics defying plot holes and forseable twists and ultimately (and literally) save the day, or will Equestria be lost in darkness forever ?