Begginings

Sherlock and John are getting a new roomate, Emma King, formerly of the SAS and now working with Mycroft at MI6. She brings some bad memories and people into Sherlock's life. When Sherlock begins to feel things he has never experienced before, what will he do?
Moriarty is willing to do everything to ruin Sherlock and now Emma is in the game.
Will everyone come out alive and well?