Martha hosts an unexpected guest; Philip and Elizabeth must work a formidable Mujahideen commander; Paige acts out.
Philip and Elizabeth disagree over handling orders from the Centre; Philip enlists Annelise on a mission with an unexpected outcome; Stan tries a new approach to mending his marriage with Sandra amidst learning tough news about Nina.
Gabriel has surprising information; Elizabeth begins to take family matters into her own hands; Stan receives upsetting news from his past and turns to Sandra for support.
Philip and Elizabeth feel the weight of a new family secret while following up on the KGB's interests in South Africa; Stan faces struggles both at work and at home; Martha confronts a shocking development.
Philip and Elizabeth deploy a plan for the CIA's Mujahideen visitors; tensions at the Jennings' home escalate.