At the Magistrates Court, the renewal of a gaming licence for the Carrington Club run by Dick Vaughan, is postponed pending further enquiries after a punter in the public gallery alleges that he was cheated by Vaughan. Vaughan does not realise that the ""punter"" is really Rupert Cole, who runs a rival gambling club. Vaughan gets Ken to investigate - if any of his croupiers are cheating, he wants to know before the Gaming Board investigators call on him. Ken spends the evening at the Carrington but sees nothing unusual so he asks Helen to come with him the following night. She soon notices that Jackie, one of the blackjack croupiers, is cheating. Ken pretends to be a writer, researching a university psychology textbook on gambling, in order to gain Jackie's confidence. He challenges her and she admits that she has been persuaded by Cole to cheat and to make sure that she is caught, so that the Carrington will be blamed and will lose its gaming licence. Ken has one of his famous conflicts
Ken has moved to Nottingham and has set up Boon Investigations, operating out of a small office near the Castle. His first case involves him being employed by Gerry Anscomb, manager of a local radio station, Sherwood Sound. He wants Ken to act as minder for Eddie Cotton, ""The Man You Love To Hate"", a brash loud-mouthed young DJ who has a habit of turning up for work drunk... or not even turning up at all. They want to make sure he will not let them down at a Charity Telethon this coming weekend. Eddie gives Ken chance to plug Boon Investigations on the radio. Ken and Eddie go to a snooker club where Eddie gives Ken the slip and picks up Donna Delaney, a leggy young woman who wears cowboy boots and has closely-cropped blonde hair. Eddie and Donna go to a night club where she drugs him. He makes something of a spectacle of himself and gets his photo printed in the gossip column of the local paper. He misses his show and a fellow DJ, Tony Lyons, has to stand in for him. He eventually turn