Vitaly Benko

When Philip and Elizabeth are given an urgent task to plant a bug in Defense Secretary Caspar Weinberger's office, they risk exposure when an unwilling maid of the Weinberger home refuses to cooperate.

A mole hunt within the KGB causes suspicion amongst allies and shatters trust within the Jennings' marriage, meanwhile Stan's plan to keep his mole safe puts her at even greater risk of discovery.

A German assassin has been ordered to kill American scientists involved in the ABM programme. After the mission is aborted, Phillip and Elizabeth must stop him and prevent a possible war.

Nina finds her fate is in Stan's hands and Paige and Henry are moved to a safe house whilst their parents attempt to complete their latest mission.

Phillip and Elizabeth shock their children when they announce they are separating. Meanwhile, Gaad orders an unauthorised mission to grab a KGB agent after Amador goes missing, with grisly consequences.