Bucky likes a girl, but is so out of touch with the dating world he asks the one person he never thought he would turn to for help. You and Bucky have never really gotten along, but you agree to help him try and woo the girl he's set his sights on.
When Sherlock goes off to solve another case for Scotland Yard, he doesn't expect to be greeted by a new member of the forensics team that shows serious promise of being more than an idiot. She just needs a nudge in the right direction. You are going to be his apprentice, and he'll teach you the art of being a genius...