Estate agent Kevin and his wife Valerie are to be subjected to a visit from her brother Victor, a none too successful con artist who has just been released from prison. Victor is delighted to hear that wealthy widow Lucy is also staying with them and it isn't long before he sets about charming her with a valuable diamond bracelet.

Frank Cook, having been taken ill with a rare complaint, has been booked into a private nursing home by his wife June for a week's respite. Whilst there, he encounters the Reverend Paul Latimer who is recovering from a heart transplant and whose odd behaviour is beginning to alarm his wife, Sarah. The young, attractive Tracey might provide the answer. She is convinced that the vicar's new heart belonged to her recently deceased lover Melvin, a fairground "wall of death" rider. Could it be that Paul has taken on Melvin's personality traits as well as his heart? That would explain the swearing,...

Vincent is a professional suicide merchant. He has been summoned by Walter Bryce and mistakenly assumes that his potion is for Walter's consumption. Eventually it becomes clear that Walter's wife Celia is the client or is she? Why are her suicide letters typed and unsigned? Several attempts to do away with various characters result in multiple poisonings of a rubber plant. Will anyone actually drink the potion?

'Fickle thing, memory.' Malcolm discovers how true his words are when he takes his friend Clive to a singles' evening. Clive, a hospital porter masquerading as a doctor, has just been left by his wife, while Malcolm is a confirmed bachelor and "big in imports" - really a market stall trader. In the deserted hotel bar, to the depressing soundtrack of the next-door ballroom, they meet two recent divorcees; upwardly-mobile Julie and cynical, defiant Liz.