Set during HLV. Janine is incapacitated. As Sherlock arrives Mary takes out Magnusson (kills / knocks over the head doesn't matter). But then John rushes in a she turns the gun on them. She threatens them to get them started telling them that she's always knows that they both wanted this. She says that they know what she is now and she wants to know the truth about John and Sherlock. It starts off badly but then they get into it. Mary disappears before they finish just before the police arrive.