In another universe, Luna has been restored thanks to the Elements of Harmony. She wasn't alone, with her appeared a small 2-month-old royal purple alicorn filly. Nightmare Moon reborn as Luna's Daughter. These are short stories in that universe.
Who is Nightmare Moon without Luna? Without the drive to bring eternal night, her jealousy at her sister? Without Luna's influence could there be a chance for the Nightmare to be redeemed? In this Universe Equestria about to find out the answers.
A lucid dream is a dream during which the dreamer is aware that they are dreaming. What happens when a human with the ability to lucid dream finds his way to Equestria? Answer he becomes Morpheus the Prince of Dreams, the son of Nightmare Moon.
Princess Luna, and Nightmare Moon was saved by the Elements of Harmony. Now Nightmare moon is her own pony a filly just a year old, when the Changelings attack Canterlot. Nightshade has only one thing to say to them... "MINE!"