A series of burglaries misses the Sykes household and Mr Brown is the first to point out that they can have nothing worth stealing. Eric counters by saying he has a dog; but when he does buy one his troubles really begin.
Eric is in his neighbour's black books, an embarassing affair at the golf club guest-night having affected his status. But when Eric reveals his uncle's identity Mr Brown attitude suddenly changes.
Amanda, aged ten, arrives to stay for a weekend. Painfully recalling her sister's love of practical jokes Eric can't believe she's as innocent as she looks.
Eric and Hattie are alarmed to find that they have a mouse in the house. Eric tries several ways of getting rid of it but none succeed and he has to call in the big guns.