Read it through once

They went up slowly and softly. The staircase was short, and they were soon at the top. There, as it had an abrupt turn in it, they came all at once in sight of three men, whose heads were bent down close together at the side of a door, and who were intently looking into the room to which the door belonged, through some chinks or holes in the wall. On hearing footsteps close at hand, these three turned, and rose, and showed themselves to be the three of one name who had been drinking in the wine-shop.