This time, newly-married Rodney Willis is preparing for his test. Despite having driven hundreds of cars in his previous job as a car salesman, nothing can prepare Rodney for taking control of a ten-tonne double decker - particularly when he finds himself surrounded with hundreds of marching protesters in the middle of Trafalgar Square.Now he's ready for his test, but forgetting to indicate at a roundabout sees Rodney lose his cool. A face to face meeting with training manager Geoff White results in Rodney being told to buck up his ideas, or face being thrown off the course.