That evening, Watson was still sitting in his study. Mary had informed him that dinner was ready, but he didn't feel like eating. He eventually heard Mary retire and went to follow her up.
He left the study and noticed how dark everything was. He felt a breeze and noticed one of the windows in the drawing room had been left open. Curious, he went over to shut it.
He noticed something on the ground and bent to retrieve it, just as a whooshing noise above his head told him he had just ducked a blow aimed at his head.
