Prologue:
The young woman who was marching down the pavement appeared to be 23 years old. She was wearing a long skinny jeans and a blue shirt and had long, dark, curly hair which she kept touching all the time, as if she wasn't satisfied with the way it looked. She stopped for a moment and reached out a hand into her weary bag to pull a ringing cellphone. She looked at the screen, frowned and declined the call, throwing it back in her bag. Then, she continued walking and entered St. Bartholomew's hospital.
Across the street, a man was watching her. As the phone call he was trying to make was declined, Mycroft Holmes sighed and followed her inside.
