Leave before it's too late

You start to panic once you realize that your goal doesn't seem to be growing any closer as well as your exit and only source of oxygen seeming to have disappeared. You quickly change directions and start swimming in the direction you believe is up, your vision starts to go dim as you struggle more for oxygen and finally when you feel like you can't go on anymore you burst up out of the water and quickly drag yourself out. You lay on the side of the pool gasping for air and finally when you've had some time to catch your breath you look around and quickly realize that this isn't the same room you started in, you begin to take in your surroundings only to come face to face with...