"So what have you got for me brother? Suicides or explosions?"

"Nothing of the sort sister."

"Oh, interesting. And John?"

John continues to look at Sherlock and me, his mouth forming words but no sound coming out.

I smile and motion for John to stop trying to speak.

"Yes. No. No. Yes. And yes."

John frowns.

"Sorry what?"

"The answers to your questions John."

"What questions?"

"The ones that you are thinking."

Sherlock smiles.

"It's good to see you again sister."

"Number one: Am I the mysterious woman Sherlock has been speaking to on the phone every Sunday at 4pm for the past six months? Yes.

Number two: Am I a high functioning sociopath like my brother? No, not really.

Number three: Does Mycroft know I am here? No, not yet.

Number four: Did I know that Sherlock was really alive for the two years that most people believed he was dead? Yes.

And number five: Am I single? Yes. Yes I am. But John? You're married."

John takes a step back from me.

"You're just like him. Maybe even more scary than he is. How can you-"

"You've met my brothers? And my parents? There is your answer."

John lowers himself into his chair.

"So, what can I do to help? Sherlock?"

Sherlock smiles and motions for me to follow him to the window. We stand staring out of the window for a few moments before Sherlock speaks.

"So what do you see?"

I smile as I mull over his question for 2.732 seconds.

"There's been a murder. Third building to the left. The back room on the second floor. The murderer came out from the back of the house and is just about to enter onto Baker Street."

Sherlock nods and I turn to look at John, who is still looking very confused.

I turn back to the window.

"Thirteen people have entered onto Baker Street in the last 27.13 seconds. One of them is our murderer.

Shut up you two, I am going to my mind castle."

It takes me less than three seconds.

"There. Man, green coat, black hair. 5 foot 10 inches tall. Size 10 feet."

John steps between Sherlock and I.

"How the hell do you two do that?"