Morse and Lewis investigate the death of Jackie Thorn who was found bound and stabbed in her flat. The murder is a carbon copy of one that occurred 27 days previously and they assume both were committed by the same man. The team is joined by Sgt. Siobhan Maitland, a expert in crimes against women. In the course of the investigation, they find that both women had purchased their cars from the same dealer and Morse becomes convinced that the owner, Jeremy Boynton, is the culprit. When they find a third assault victim who survived an attack some 5 years previously, Morse is more convinced than ever. The only thing now is that Morse needs evidence, provided he has the right man of course.

改编自经典的侦探形象——摩斯探长，而饰演摩斯探长的肖恩·埃文斯的表演，也为这部电视剧添了不少光，他将摩斯探长的个性表现的非常丰富，有点忧郁，有点张狂，有时又有点可爱。

Morse and Lewis investigate the death of Nicholas Quinn, a hard of hearing Oxford examiner who had recently complained to his superior that others in the examination syndicate were selling secrets. Quinn died of cyanide poisoning but Morse is convinced that this is a case of murder, not suicide. When a second prominent member of the syndicate is killed, Morse looks to the other members for the murderer. What he finds is a maze of deceit and office adultery.

Morse and Lewis investigate the murder of fun-loving raconteur Harry Field, a mediocre artist with no real style to call his own, with many of his paintings featuring the same mystery woman. As they dig deeper into his past, they discover a possible link to art forgery. Meanwhile, Lewis considers trying for a promotion in Traffic Division.

Victoria Hazlett is a brilliant student who aspired to the priesthood in the Anglican Church. When she collapses and dies during an exam, the post-mortem reveals that she was likely poisoned, but the pathologist can't quite identify one of the substances found in her system. Victoria was a member of a group that advocated women priests and ran a shelter for women who required assistance in their life. Several members of the group feel that an anti-womens' group led by the Reverend Geoffrey Boyd is responsible, but there is little evidence. There is a link to a nearby weight loss clinic. Morse is quite attracted to one of the women in the group but is taken aback when he learns she lied to him about her whereabouts the night before Victoria died.

Trevor Radford, Managing Director of the family's Radford Breweries, is found murdered in the brewery. He had been working late one evening mounting a defense against an unwelcome takeover attempt from a rival brewery. There appears to be some disagreement in the family as to whether they should sell out. His brother Stephen, an entrepreneur in his own right, thought the time had come to rid themselves of a losing proposition but their father would like to maintain the family tradition that now spans 150 years. Morse and Lewis learn that Trevor's wife was having an affair with Stephen, so there is always the possibility that there this is a crime of passion rather than greed. They also learn of a long ago claim against the business' assets.

Morse is pressed into service when, while attending a college dinner for an eclectic group of foreign summer students, a Japanese member of the group suddenly excuses himself and a short time later is found brutally murdered in his room. There are any number of suspects, several of whom had bad experiences with the Japanese during World War II and at least one student that is clearly not what he claims to be. When traces of drugs are found on the Japanese student's clothing the drug squad is now involved. But when a second member of the group is murdered, Morse is convinced that this is far more than a simple case of drug smuggling gone awry.

简单说就是，摩斯探长在唱诗班认识了一个妇女，他们互相有好感，这个妇女被谋杀了，摩斯来调查她的死因。 　　比较文艺的说法是 ------ 忧郁美丽的女钢琴教师深深吸引着特立独行的摩斯，却没料想她身边早有意中人。某一日，钢琴教师自缢身亡，背后错综复杂的情感纠葛与往事随之浮出水面。到底是俄狄浦斯式的悲剧故事，还是更令人咋舌的隐情。摩斯探长抽丝剥茧，探及真相，独自带着满腹遗憾继续与酒精作伴。（菠萝的说法）

年轻侦探摩斯被调到牛津协助工作，这里因为一起离奇的谋杀案而乱成一团。年轻女孩的死，她男朋友的自杀，闪烁其词的同学，只手遮天的修车厂老板，位高权重的部长，牛津大学的讲师和她美丽的妻子……这一切都让年轻的摩斯侦探斗志昂扬，却也深陷其中。他利用自己的丰富知识发现了线索，侦破中排除了重重阻力，最终帮助探长破了案。

Rachel James is shot through her kitchen window while having breakfast early one morning. She was having an affair with Dr. Julian Storrs, an Oxford professor who is a candidate for Master of Lonsdale College. When her next door neighbor is also killed however, Morse determines that the shooting of James may have been in error. Morse also suspects that he may have been a blackmailer. Both Storrs an his rival for the Masters position, Denis Cornford had secrets that would make them suspects. Morse determines that several others also had things to hide and any one of them could have committed the murders.