第二部里，张大勇（陶大宇饰）与李忠义这对默契排档继续与狡猾凶狠的罪犯斗智斗勇。感情方面，大勇与高婕（郭可盈饰）成为斗嘴情侣，感情稳定增长。新来的女警员蓝嘉文（郭霭明饰）单纯善良，暗恋大勇并主动示爱。令大勇和高婕的问题出现新的危机。此时，高婕发现嘉文过去曾在外国因为三角恋而放火杀人，正当要揭发这一段过去时，高婕的朋友离奇被杀。嘉文对过去的矢口否认也不像假装，大勇与高婕的误会加剧，事情的真相扑朔迷离。
1941年冬，照相师陈开来在师父牺牲后，代其赴上海与地下党接头，路遇表面是舞厅头牌、实为军统特工的金宝，在其帮助下以照相馆为掩护开展潜伏。期间他结识身份各异的女子——汪伪特派员苏门、我党谍报人员沈克希。陈开来在多方势力间周旋斡旋，逐步成长为杰出的地下工作者，最终联合众人挫败日军“沉睡计划”。
As Leo's replacement Thomas Chamberlain arrives Nikki investigates the murders of Rachel Freedman, shot in the head, and her little autistic son Nathan, who was poisoned. Nikki rejects policewoman Anne Burchett's theory that Rachel killed them both but is perturbed when an impostor, claiming to be Rachel's sister, visits the morgue. At the same time the disfigured corpse of Eva Liron is discovered, killed with the same poison as Nathan. She had been the nanny to French hot shot footballer Isaac Dreyfus and was planning to blackmail him over a sex tape of them both. Jewish Isaac is a controversial figure due to his anti-Muslim sentiments but he denies ant part in the murders. Then another victim, Isaac's agent Mousa, is discovered dead.
各位女士、先生，请欢迎美国总统葛兰艾伦华肯！ 他是众议院院长也是个死硬的保守派，当巴特勒总统为了女儿被绑架的事件忙得焦头烂额时，华肯暂代总统职位，白宫的幕僚人员则夹在新旧总统间左右为难。绑架危机的化解及巴特勒重回总统宝座，是【白宫风云】第五季两条引人入胜的故事主轴。饰演白宫发言人的艾莉詹尼，也因她在第五季的精湛表现而荣获艾美奖最佳女主角奖。第五季可说是情节高潮迭起，也包括副总统出人意料之外的阵前换将，最高法院的大法官任命风波，及多位幕僚前往迦萨走廊的一趟致命之旅。
NBC续订《猎捕行动》第二季。
