Turn left from the place where you're standing and exit the room. From here, turn left and you will come across a small staircase. Walk all the way up through the stairs. Now, slightly turn left and you can see an another staircase. Walk towards that staircase. Now, turn right and get down the stairs. Walk towards the closed door which is in front of you. From here, slightly turn right and move towards the couch, which has two cushions on it and that is the end point.