CIA agent Napoleon Solo and KGB agent Illya Kuryakin team up on a joint mission to stop a mysterious international criminal organization, which is bent on destabilizing the fragile balance of power through the proliferation of nuclear weapons and technology. The duob2ss only lead is the daughter of a vanished German scientist, who is the key to infiltrating the criminal organization, and they must race against time to find him and prevent a worldwide...

The stakes have never been higher for KGB operatives Philip and Elizabeth Jennings than in this pulse pounding fourth season. Still grieving the death of her mother, Elizabeth berates Paige for telling her pastor about her parents' covert profession. A deadly bioweapon threatens Gabriel's life, and the couple shatters the lives of loved ones when Martha is told Clark's true identity and Elizabeth betrays her friend Young-Hee.