Move forward from your place and exit the room, now take right, you will have another open door to your left side, enter into it, move forward, you will have staircases to your right side and a brown desk to your left side and exit the room, through an open door, now take left, you will have three beds to your left side, walk till the end of the pool, you have a closed door in-front of you, stand beside it, that is you end point.