A strange disease inflected Ponyville. Celestia asks Luna to find six lost objects to cure the town. Full of doubt the Princess starts her journey - only to face her greatest fear. How much do you have to do to undo your mistakes of the past?
Rarity has been restless ever since the events of her time as Nightmare Rarity. At her wits' end, she contacts the only one who could possibly help, only to discover a shocking truth.
Princess Nightmare Moon had tried to keep it secret. She had feigned ignorance, but the charade could not last. She nocked the arrow. Tirek was a large target; he would fall easily. Then the true challenge would come: explaining herself to Celestia.
After the horrible event Luna and Celestia are both thinking about, what had happened. While Luna struggles with the doubt, planted by Nightmare Moon, Celestia has to solve an even greater problem. How to remember a tragedy?
Nightmare Moon may believe she has secured a small victory with her influence over ponies' dreams, but Celestia knows better...and so do the Nyx...and so does something in the moonlight. For 1000 years, Nightmare Moon waits...and 'dreams.'
Luna is ignored by her subjects and her sister. They shun her night away and her sister behaves like a ruler towards the younger sibling. Luna is sick of it. Her entire life changes, when she meets a certain mare during one destined night.
For all the pains one can endure, sometime pains can find themselves truly capable of breaking us. For Nightmare Moon, a tyrant who has felt every kind of pain, there exists only one more way to harm her, mind, body, and soul.
When Twilight visits the castle of the two sisters, she gets an unexpected visit. Who and what is this tainted soul, and can Twilight afford to risk giving it any peace?