Right now you're facing a staircase. Turn left and exit the room. Now turn towards your left and you can see an another wide door. Exit through that wide door. Now turn right and move forward towards the chair. Move little forward so the you can find an opened door on the right side. Enter into that room. Now turn left, now you're facing a wall. Turn left and move forward and stand in front of a marble sink and that is the end point.