Granville has a large quantity of bargain spectacles to sell, but will they really do anything to improve his customers' eyesight? Meanwhile, encouraged by reading a self-help book "Take control of you", Mr. Newbold decides to tell Mrs. Featherstone how he really feels about their relationship. Also, Eric tries to persuade Kath to go on a camping holiday, and what is in the large, heavy box that has arrived for Leroy?