At the heart of every Conversion Bureau is 'potion', the nanotechnomagical serum that converts a human into an Equestrian. But before the Bureaus, the serum had to be created first. This, is that story.
Set in the Optimalverse, a middle-aged woman confronts what emigration to Equestria - uploading to a virtual existence - really means. But can she truly understand - and more importantly, should she trust the artificial intelligence Celestia?