Susan and Jacqui have decided to move in with their boyfriends, despite Dudley's objections. Meanwhile Duncan has a new telephone answering machine and Dudley never wastes an opportunity to make mischief.
Duncan's housekeeper has left him, so Muriel decides to throw a party to find him a wife. Meanwhile Susan tries her hand at selling insurance policies.
Muriel and Dudley have offered to help out at the girl guides garden fete, with Dudley in charge of the stall to win a new car. However, did he remember to post the insurance policy that covers the cost of the car?