David Mason murders Ted Grob by throwing him into a swimming pool, handcuffed to a patio recliner. Jim returns to duty to solve the murder and is asked by an ex-con who believes he was framed to go back over the details of the robbery of a courier company some years earlier which has a connection with the recent death.

An eccentric Scotland yard detective arrives in Jersey for a holiday and to harass an island resident whom he considers a villain responsible for crippling his former partner.

Philippa Vale gives sanctuary to a Canadian Olympic track star whose life has been threatened when he refuses to boycott an international hearing concerning drug abuse by athletes. Jim and Susan break off their relationship.

Jim is put under pressure to arrest a scrap dealer who he believes is innocent of assaulting a young girl.

Jim must delay his weekend off in order to take over escorting a French electronics expert from a special branch officer who has become ill.

Whilst playing golf, Charlie (who else?) finds the body of Graham Hawkesworth buries in a bunker. Investigations show that he was apparently having an affair with an unknown woman. This ‘other woman' is the prime suspect in Hawkesworth's murder and it appears that she is none other than Susan. It transpires that Graham invented the story that he was having an affair and chose Susan as the ‘other woman' in order to make his wife jealous. His wife is the real killer and plans to make Susan the next victim.

Jim suspects the dancing instructor of a leading Jersey socialite of stealing her diamonds.

Jim enlists the aid of a lady psychologist in tracking down someone who has been anonymously calling Charlie and blaming him for a former business associates death.

Jim investigates a dead sailor and drums of an illegal toxic pesticide, both of which were found, washed up on the beach.