After Peter and Jane get into a spot of trouble at school, Sally and David invite the two respective teachers for a barbecue to smooth things over, but neither are aware that the pair are romantically involved with each other!

Hearing that market second-hand-stall holder Ellie needs to go into hospital for a couple of days, Sally - fresh with inspiration to help, after listening to a radio sermon - offers to run it. Her efforts are undermined when the children's friends start donating items without permission.