Okay right now you are facing towards the wall. Turn to your left and you see an arch door which is open. Walk near the arch door. Once you reach near the arch door, you see stairs to your right. Climb up the stairs. Now turn around and you see a walk way. Climb down the stairs and walk straight through that way till you reach a bedroom with wall frames to your right and a glass door in front of you. Walk towards the glass door and stop.