Very few things can slow an alicorn down. Between dealing with invasions of their kingdom, executing traitors, and generally maintaining the land, there's a lot that they have to be able to handle. But one thing that can slow down even royalty, particularly a certain crystal princess, is getting sick. With no success of normal medicine or even standard magical medicine to cure her body gone haywire, she turns in a last ditch effort, to a Ponyville scientist named Dr. Whooves, who has the idea to face Cadance's internal scuffle head on by going inside her body. Can they help her stop this bother to her rule once and for all? What will they discover on their way? Let's find out, shall we?

Rated Teen for lewd jokes and mention of certain anatomy

Big thanks to Nebbie for editing and overall help.