It's been a few months since the Mane Six played their first game of Truth or Dare at their slumber party. Starlight and Spike are here to join the fun, too. Then two unexpected guests come knocking. It'll be total chaos.
Princess Luna enlists Twilight Sparkle to help her in getting Sunset Shimmer to stay in Equestria so Princess Celestia and Sunset can reunite. The situation turns out to be much more complicated.
For years, Princess Celestia faced the fact of Sunset Shimmer without a mother, and Sunset without a family. Luna decides it's time for that to change.
Celestia doesn't seem well these days. Luna decides she needs to have a talk with her sister to find out what's been bothering her. The reason why will change Luna's world.
