The six Pillars of Equestria have finally returned from a thousand year imprisonment in limbo. So, naturally, the first thing you would do as a legendary hero from a thousand years ago would be to see what's become of the realm.
Knowing that everything might come as a bit of a shock to them, Twilight and her friends each partner up with their respective Pillars, in the hopes that they may ease them back into Equestria and its customs...