Applejack and Rarity were in Canterlot to have some tea and relax. Instead, they have to try to get Autumn out of prison for something she claims was an accident. You probably know how this is going to go down.
Trixie's line of work is dangerous. But she's a careful showpony, and that's why she's only died a few dozen times in her career. She thinks this is normal.
With their PostCrush days unfortunately behind them, Kiwi and Su-Z are now living and working on the Dazzlings' emu farm. At least it beats living in a van down by the river, right?
Turns out that there's an old Equestrian law on the books that any creature can petition to join any princess's harem. Somepony should have warned Twilight, preferably before the former changeling queen showed up on her doorstep.
While trying to figure out how Twilight is so good at making friends out of foes, she discovers her methods were...ethically questionable. And then she tells Sunset about it and they both want a word with Twilight.
Twilight unveils an enchanted bulletin board in Ponyville just before leaving on a long trip. She gets back to find that Discord has hijacked the board as a prank and the town is now inundated in disinformation and conspiracy theories.
Everypony believes in fairytales, right? Well, not Rarity, but who cares about Rarity Schmarity because THIS story about Rainbow "Awesome" Dash being the first to find a lost princess of legend.
The humans that keep being displaced into Equestria don't know the rules of the Everfree very well. The local timberwolves are all too happy to educate them.
An extremely private and important meeting is taking place in Canterlot among some of the most powerful figures in Equestria. And also you for some reason.