Pinkie Pie's still here. She's floating, with the help of her friends, no matter what her mind may say.

Celestia goes into a portal at a time in which Equestria is in complete chaos, and finds a princess from long ago willing to help.

Applejack, Twilight, and Fluttershy, the only members of the Mane 6 left in Ponyville, are walking one morning and see Chrysalis, queen of the changelings, flying slowly in. Recruiting the other bearers, they try to stop Chrysalis and her new army