The story of Endless Night follows a young alicorn mare named Star, who hides her wings out of shame of being a freak. It seemed just like another birthday to Star, another day in maintenance, nothing special, nothing to really lock forward to. The Overmare on the other hand invited her to Nightmare night a celebration that shes never heard of before. All seemed to being going fine until the vault was thrown into chaos by invading zebras demanding the star born, the Overmare begged for Star run before she could be found. Escape became her only option as she set out with her best friend Sunny Dawn outside the vault to Baltimare, a city that contains Big Moon Tor, a prewar research center. Through Stars travels she begins to uncover mystery of what really happened to the inhabitants of Baltimare and what Operation Endless Night was really about.