《双面女间谍第四季》是一部优秀的欧美题材影视作品，由詹妮弗·加纳,朗·瑞弗金,迈克尔·瓦尔坦,卡尔·卢波利,格雷戈·格伦伯格,米娅·麦斯特罗,格雷戈·格伦伯格,维克多·加博主演的。 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.