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。
A single mother's life in suburban New Jersey is turned upside down when the FBI arrests her and forces her to make a choice: confront her long-buried past as a highly trained, bio-engineered Russian agent, and become an asset against Russia's underworld drug trade, and shadow war on U.S. elections or put her family and the new life she has built at risk.
