Go up the stairs until you get to the middle and then turn left and go up the rest of the stairs. Then go into the second door from the left and wait there.
Walk through the two statues and up the large staircase. When the stairs split walk to the left and up the next set up stairs. Straight ahead is a display case, walk through the doorway to the left of the display case and stop.
Go up the stairs behind the 2 large statues. Once you are at the top of the first set of stairs, turn left and go up another set of stairs. Once you are at the top of those turn left and then enter the first door to your right. Stop right inside the door facing the couch.