David Callan, secret agent, is called back to the service after his retirement, to handle the assasination of a german businessman, but Callan refuses to co-operate until he finds out why this man is marked for death.
Albert Steptoe and his son Harold are rag-and-bone men, complete with horse and cart to tour the neighbourhood. They also live together at the junk yard. Harold, who likes the bright lights in the West End of London, meets a stripper, marries her and takes her home. Albert is furious and tries every trick he knows to drive the new bride from his household.
