David Lamont, a book publisher who is known to be ruthless toward friends, foes, and clients alike, moves into his new penthouse apartment. There he meets his mysterious and beautiful neighbor, Audrey Levine, who lives on the third floor. Shortly thereafter, he receives a visit from an investigator and a man who claims that the penthouse belongs to his father who never sold it.
David tells them the apartment is his, everything is in legal order, and if they have a problem to talk with his lawyer. Soon after he starts receiving packages with the crime scene photos that apparently were taken in his penthouse. Later he begins to receive video tapes documenting his every move and believes someone is after him. With his assistant, Rebecca Fay, David begins to discover who or what is behind everything that is occurring.

《红海潜水俱乐部》改编自著名的真实营救任务，讲述了一群国际特工与英勇的埃塞俄比亚人的传奇故事：在 80 年代初，他们使用苏丹的一座废弃度假别墅作为掩护，将成千上万的难民偷运到以色列。富有魅力的阿里·基德隆（克里斯·埃文斯饰演）与勇敢的当地人卡比迪·宾诺（迈克尔·肯尼斯·威廉姆斯饰演）一起领导了这次卧底任务。其他著名演职人员还包括海莉·贝内特、亚历桑德罗·尼沃拉、米契尔·哈思曼、克里斯·乔克、格雷戈·金尼尔和本·金斯利。

中情局反恐事务的特工Carrie（克莱尔·丹妮丝 Claire Danes 饰）在中东地区执行任务时，她的线向她透露了一个惊人的秘密：一名被俘的美军士兵已经变节，现在为基地组织效力，准备在美国本土策划发动恐怖袭击。几个月后，美国海军陆战队根据线报在阿富汗发现了被俘近九年的Nicholas Brody中士（戴米恩·路易斯 Damian Lewis 饰），荣归故里的Brody受到英雄般的礼遇。同时，Carrie也被中情局调回国内工作，并坚信Brody就是那个已经变节的士兵，从而暗中展开调查。
Brody发现妻子妻子Jessica（莫瑞娜·巴卡琳 Morena Baccarin 饰）已与好友相恋，醋性大发的他与Carrie发生了关系。Carrie一方面爱上了这个男人，一方面还是对他存有疑心。究竟Brody是否变节？他与Carrie的关系将如何发展？