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.
珠宝品牌创始人顾流苏，工作雷厉风行，生活中也处处严谨认真，却在一次意外中与仅有一面之缘的“少爷”陆星辰一夜春宵，闹了个大乌龙！更糟糕的是，陆星辰紧随其后入职公司成为顾流苏的贴身秘书，这对欢喜冤家万万没有想到，曾经的“死对头”竟在时间的发酵中发生质的变化。陆星辰对嘴硬心软的顾流苏产生不可言说的爱慕心意，而他的设计才华，也被眼光挑剔的顾流苏认可，灵魂契合让他们在清醒中愈渐沉醉，沦陷在平淡又暗涌的朝夕之间。
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。
