The princesses gave their magic to Twilight to prevent Tirek from stealing it. As a result, they end up stuck in Tartarus. The fact that things manage to go downhill here says a lot about the wonders of family.
When an accident leaves Twilight Sparkle seriously ill, Applejack, Rainbow Dash, and Rarity must undertake a perilous journey to find her a cure. What adventures await them beyond Equestria's borders?
Can Nyx find acceptance with her extended family during Hearth's Warming, or will she find the holiday hymns are filled with nothing but hollow promises?