双面女间谍 第四季 (2005)

　　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.

　　译文(2): 五个月后。Sydney 退出了中情局，加入了一个叫做“授权人员专用”的秘密行动小组和 Dixon Jack Vaughn 还有... Sloane 一起为了有限豁免权，正在和 APO 合作。与此同时，西德尼在威滕伯格发现的真相危及她与杰克的关系，最终她向沃恩透露了一个可怕的真相: 她父亲在一年前谋杀了伊琳娜。