Philip uses his agent Charles Duluth to help him gain access to an early precursor to the Internet so that the KGB can bug American government communications. Nina faces the threat of a potential FBI polygraph exam, bringing her closer to KGB colleague Oleg.

Philip juggles the many women in his life while Elizabeth takes drastic measures to complete a mission. Stan asserts a plan to save Nina with an unlikely ally.

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.

Paige copes with new burdens that come with her family’s secret as Philip and Elizabeth struggle to contain their cover without destroying their daughter.