 Clive Quigley starts the series thinking he is happily married to his wife Melissa, but Sonia Drysdale comes along and informs him that her husband Dave is having an affair with Melissa.Clive believes her only after spying on Melissa and Dave together, and even contemplates suicide.He and Sonia then join forces to split up the affair, but they do not know that Melissa and Dave haven't actually committed adultery yet.