"Where are you if you walk a mile in another man's shoes?"
"A mile from where you started, having stolen someone else's shoes."
What if the world as we know it - wasn't. What if the Doctor really was just a doctor, and Jack-the-Incorrigible the Timelord? What if the Doctor lost his sense of time and space - and Jack found it? Or what if it's suddenly the Doctor who could carry on a productive flirtation with peat moss (I volunteer for the role of the peat moss in this scenario!), and Jack was all business?
Temporarily, permanently, or just plain-old-AU-style, this month the challenge is to figure out what would happen if our famous duo changed places.
As a gentle reminder, please don't crosspost stories for this challenge elsewhere until the challenge closes about one month from now. And don't forget - leave a comment in THIS post and tell us what you think the next challenge should be!