Disclaimer: I do not own BBC Sherlock
Mycroft Holmes was waiting. An American diplomat was supposed to have arrived for a meeting twenty minutes ago. Out in the lobby he could hear his secretary signing someone in. He hurried to look busy, his eyes on his papers. The door opened and the sound of footsteps clicking on the floor reached Mycroft's ears. Without looking up, he spoke.
"Finally, I've been waiting for you."
"I didn't know you were expecting me." Said a voice Mycroft would recognize anywhere. A voice he hadn't heard in three years.
. . .
John Watson was laughing. Harry had come to visit and they were looking at his wedding photos. John's phone buzzed on the table next to him. Still smiling, he reached over and opened the text. As he read the message his face went white and he stared at the door. Anthea turned her husband's wrist to read the screen on his phone. The message read
Open the door –SH
FIN