剧集讲述女主（Margarita Levieva饰）正与女儿在欧洲度假，此时CIA的出现迫使她面对自己隐藏已久的KGB身份。过去俄国进行秘密实验时令到一些KGB拥有特殊力量，而一连串与此能力有关的死亡事件发生令女主不能再躲避起来，但是对付这名凶徒的代价是她可能失去家人及新生活。

　　During the exercise, the search and rescue squad receives a message about the child lost in the forest. While conducting a search operation, rescuers encounter an ominous entity: according to tradition, this is the restless spirit of a w…