When Sunset discovers that Twilight has never gone trick-or-treating, Sunset decides that she needs to prove how absolutely amazing Nightmare Night can beāeven if she has to drag Twilight along kicking and screaming.
Sunset manages to prevent Twilight from going completely crazy after she opened her magic stealing device and because of that Twilight manages to keep the pony power.
The future reflects into the past and the past does the same on the future. It is never forever nor even temporary; chance and happen occur eternally so briefly. And yet the effects resound through the hall of time forevermore.
Twilight Sparkle and Sunset Shimmer have gotten close since the Friendship Games. Unfortunately, neither knows exactly how close the other thinks they are, and their friendship is tested when Sunset Shimmer makes a move to deepen their relationship.
One day, Twilight Sparkle discovers something amazing about her friend Sunset Shimmer. She's a magical talking pony! This requires investigation! Science! Possibly a full-body physical! Or maybe she'll just ask her what's up with that.
Sunset Shimmer invites Twilight over to spend the night at her home in the wake of the Friendship Games fiasco, and Twilight learns that they have a lot more in common than she expected.