The mares of harmony were living in peace. No more mean discord, Nightmare moon is no more, and the Crystal empire is safe once more. But an unexpected change happens.
"Are you KIDDING ME?!!"
"...No...?"
These mares are expecting weird changes. And by weird, I mean Alicorn weird.
"Ooh! A horn! I have a HORN! This is SUPERCALAFRAGILISTICEXPIALADOCIOUS-"
"Shut UP PINKIE!"

...And a secret unfolds.