David Jason returns for a fourth series of the much loved sitcom. Starting with a Christmas episode Granville must use some of his craftiest wiles to persuade some of his most important customers not to travel over Christmas. Times may have changed, but some of the regular customers haven't, including former nurse Gladys Emmanuel and the Black Widow. Assisting Granville is his son Leroy, a young buck who has more female admirers than Granville ever had, and no intention of doing things his father's way....