The Turning of the Screwball - The Strange Case of Button Stitch

First part of the "Screwball Trilogy". Mysterious goings on and strange transformations.

Button Stitch is an excessively regular mare with excessively regular habits, but something strange has begun to happen to her in the wake of Discord's rampage. Can Rarity and the rest of the girls get to the bottom of the strange manifestations of nonsense that have been plaguing Ponyville?