Archmage Twilight Sparkle barely sleeps between her duties, her research, and raising Spike. Now she also has to deal with an evil goddess’s return. It would have been nice if Celestia had mentioned she has a sister a year ago…
For a thousand years, the Code of Harmony has ruled Equestria, and the Code of Dissonance has sabotaged its works at every turn. Now the war for control over the land will come to a head, and one unicorn's decision may decide the fate of all.
It's been eighty-nine days since the Day of Darkness, and Twilight Sparkle is still on her own. Eighty-nine days since she talked to anyone other than herself.