Sherlock & You vs Moriarty(and the world)

A story in which in you play the female heroine.A story about the girl next door,and also a yet to be new colleague to Holmes.You were different from anyone else who had worked with Sherlock and he knew that.He would be intrigued by that,he just didn't know it yet.You two were the same and that was yet to be revealed.But with Moriarty back what else will happen with the two of you?