剧情介绍
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.
豆瓣网友： 善恶界限模糊，人性随境遇变化，不存在一成不变的好坏。
芒果TV网友： 悬念铺垫普通，很难让人迫切想知道真相，追更动力不强。
芒果TV网友： 《双面女间谍第四季》立意正向，但表达平铺直叙，层次单薄，像简单讲述一件事情。
豆瓣网友： 角色戏份分配大体均衡，少数配角存在感偏低，出场不多，形象模糊。
豆瓣网友： 角色在挫折里不断反思成长，会迷茫犯错，慢慢找到方向，代入感很强。