Mrs Markham lends her flat to Linda Lodge to tryst with her admirer Walter. The decorator is planning to use to same apartment to dally with the au pair. Mr Lodge has persuaded a very reluctant Mr Markham to lend the self-same flat to rendez-vouswith a girl he has not actually met. Into this tranquil scene walks Miss Smythe, important potential customer to Messrs Lodge and Markham, who disapproves of any kind randy behavior. It’s about then things start to get a little complicated……