In the far future, after the devastating war with Queen Chrysalis and her changelings, and after Princess Flurry Heart was corrupted by King Sombra and assassinated Princess Twilight Sparkle, Moonlight Sterling, a descendant of Princess Twilight, goes on an adventure to gather the new Element Bearers and bring back the Crystal Empire and reform Princess Flurry, the only living alicorn left in Equestria.