Five months later. Sydney quits the CIA and joins a Black Ops unit called Authorized Personnel Only alongside Dixon, Jack, Vaughn and... Sloane whom for limited immunity is co-operating with the APO. Meanwhile, the truth Sydney found out in Wittenberg endangers her relationship with Jack, and eventually she reveals the awful truth to Vaughn about her father having Irina murdered over a year earlier.
杰克、爱琳娜、纳迪亚、沃恩和西德妮来到满目疮痍的Sovogda。 APO，马歇尔和威斯利用黑井指令协迫俄罗斯部长交出卫星的密码，他们很快发现埃伦娜在向卫星发送数据。CIA特工Brodien提醒西德妮一行人，Rambal…
杰克回想起在维也纳，误以为爱琳娜指使刺杀西德妮而向她开枪，后悔不已。迪克松称他看见了爱琳娜，西德妮表示不相信，杰克说自己杀死的是据他以为是爱琳娜的人。 马歇尔报告发现了埃伦娜的同伙Lucien Nisard…
