A year after her murder, the police re-open the case of Yvonne Harrison when they receive an anonymous letter implicating a burglar, Harry Repp, who is about to be released from prison. Supt. Strange assigns the case to DS Lewis, who is chafing at the bit awaiting his promotion to Inspector. Morse has been ill and has only just returned to work. He steps on Lewis' toes by involving himself in the case, but as the body count rises, Morse finds himself in charge of investigating a woman who had many affairs with many different men. When he learns that the dead men were in possession of large amount of cash, he suspects they were blackmailing her murderer.《摩斯探长第十二季》是杰克·高德于2000 年在英国 导演，由约翰·肖,凯文·沃特利,克莱尔·霍尔曼,詹姆斯·格劳特,安娜·威尔逊-琼斯等出演,剧中使用英语对白,是一部欧美剧电视剧。