the girl from 221C (sherlock fanfiction)

This title is just temporary until I can find a better title.

A new girl moves into 221C Baker Street, right across from the infamous Sherlock Holmes. No one knows her, and everyone is sure they have never seen her before. Sherlock, however, insists that she reminds him of someone he has seen in the past, and he is not so sure that the girl is really who they think she is...