Gastric impresses everyone with his invention skills when he adapts his Mini to run on its own. Eric and Cyril also try to impress the ladies with the high-risk sport of rock climbing but run into trouble with Kath when they decide to start their training at home. Granville buys a second-hand sausage machine and produces Arkwright's designer sausages with some interesting results. The Black Widow is still keeping her options open in the pursuit of her next husband but decides that she needs to get tongues wagging by asking Mr Newbold to fly some racy underwear on his washing line. Meanwhile, Leroy attempts to get Beth to dump her childhood sweetheart.