Joe is travelling in Europe when he is approached by a Russian agent, who says he can identify a mole within the CIA in exchange for protection. Joe begins to realise that escaping his old life may be impossible.

Joe makes a new discovery in the hunt for the mole. At the same time, he realizes that he is not alone in monitoring a potential lead.

Joe is skeptical that Gordon is guilty and continues to look at alternative theories. Eva and Gordon unleash together and dig down the battle ax after a successful event.

Joe continues to follow the evidence and makes a new discovery that intensifies his attempts to find Vasili.