This fic takes place the year after Boast Busters.
Twilight's parents have retired and moved to a nearby town. However, before Twilight gets to visit her parents for the first time since moving to Ponyville, Trixie shows up, determined to get her revenge for the loss of her title, her career and her home. Blaming Twilight, she forces the librarian into a magic duel. However something goes wrong, and Twilight and Trixie are forced to understand the other better, when they end up switching bodies; and lives...