Ken is employed by a genial Irishman, Erroll McLaverty, to bring a canal boat back to Birmingham from near London. He takes Doreen and plans a romantic weekend. But two scruffy men, Appleby and Laing, are following the boat. Then Ken and Doreen hear strange sounds from the boat's cargo hold. They discover that an escaped convict, Alan Prendergast, is hiding in the boat - McLaverty had employed Ken to smuggle Alan back to his father, Walter Prendergast.
Harry retires from the fire brigade and Ken is invalided out after his lungs are damaged while rescuing a boy from a fire. Harry buys a seedy hotel, The Grand. Ken buys a caravan, The Ponderosa, and tries to make a living as a market gardener. Harry suggests that Ken should supplement his income by offering to do odd-jobs for people - he places an advert in the local paper. His first client is Barney Spitz, a pop music promoter who wants Ken to dress up in an old fireman's uniform and star in a pop video!