新一季中，米尼莱特曼集团的经营似乎陷入最困难的时期，米尼集团与FBI的长期合作宣告终止，卡尔·莱特曼博士（蒂姆·罗素 Tim Roth 饰）签约的新书迟迟未能完成，面临对簿公堂的窘境，而这位拥有极高才华的天才博士和家人、同事之间的关系也变得颇为复杂。他与女儿艾米莉（海莉·麦可法兰德 Hayley McFarland 饰）相互依存，女儿有时会反抗父亲的强势，扮演着母亲的角色；他和吉莉安·福斯特（凯利·威廉姆斯 Kelli Williams 饰）的关系暧昧不清，相互试探，又颇显紧张。与此同时，各种各样棘手案件纷至沓来，银行抢劫案、文物展览会盗窃案、矿井爆炸案、宗教团体事件……无一不对莱特曼提出最严峻和最危险的考验。
回复 :三十年代上海闸北区，两大黑帮“青龙帮”与“黑龙帮”势不两立，为争长短，各出奇谋。“青龙帮”首领川图巴结军阀以助声势，“黑龙帮”头目魂为挫川锐气，重金礼聘过气枭雄凌锋及其女儿凌若华（郑裕玲）设计令川出丑。川则纳浪子欧阳汉（周润发）于门下，使汉与华纠缠，令华分心。汉与华冤家路窄，华用尽办法捉弄川，均被汉一一化解。汉华相斗，引起巡捕萧六（吕良伟）注意，六嫌汉油头粉面，常借故为难，两人遂对立。川与六同恋上歌女韩梦蝶（姚炜），奈何蝶倾心于汉，川得悉后心生恨意。川派杀手对付锋华父女，锋因而丧命，华重伤但幸为六所救。川利用与警察局长之关系令六几陷于绝境，六后得汉暗中相助，化险为夷。华在养伤期间，对汉之为人更为了解，渐萌爱意。时日本派遣大佐来沪密谋活动。大佐原为蝶之生父，怂恿蝶向川进言，川不惜卖国求荣。六向汉晓以大义，汉亦对川的卑鄙行径齿冷，决与六连手对付川，一场鳄鱼潭中的龙争虎斗继而展开……
回复 :Dr. Brewster's suicide takes a particular twist when the pathologist determines that he had also been bound and gagged. The Brewsters, both medical doctors, ran a private clinic and their son John, who lived at home, is doctoral candidate in philosophy. One possible suspect is Michael Steppings who threatened the Brewsters and their nurse after his daughter suffered severe side-effects and is now in a vegetative state from a botched operation two years previously. The forensics lab determines that one of Steppings's threatening letters was altered and Morse learns that Brewster may at one time been having an affair, so he must consider another possible motive for murder.
回复 :Sky频道已经推出了该剧集第三季的首个预告片，从该预告片中可以看出由于don Pietro Savastano的死亡导致的权力真空而引发的混乱。Genny Savastano，Ciro Di Marzio，Malammore，Scianèl以及Patrizia，他们是在该毒枭垮台后争斗的主角。