That night we went back to the house. When we saw Helen Stoner's light, Holmes and I got in
quietly through the window. Then we waited silently in the middle bed-room in the dark. We waited
for three hours and did not move. Suddenly we saw a light and heard a sound from Dr Roylott's
room. But nothing happened, and again we waited in the dark. Then there was another sound, a very
quiet sound .. . Immediately Holmes jumped up and hit the bell-rope hard. ‘Can you see it, Wat ...