Walk forward and enter the room at the end of the hall. In the room take a left. Stop after you step off the first step.
With the banister to your right and the wall to your left, move forward, going down 2 shallow steps, until at the end of the hall, where you'll turn ninety degrees left and enter the room.
Walk toward the large painting on the wall but go through the doorway to the left of the painting. Turn left and stop next to the two white chairs.