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. Stan closes in on a member of the Soviet Rezidentura in an effort to uncover the identities of deep cover Directorate S operatives.
Tensions simmer between Philip and Elizabeth as they disagree over handling orders from the Centre. When Elizabeth loses key intel, Philip enlists Annelise on a mission with an unexpected outcome.
A new mission with international stakes has Philip calling on Annelise for assistance just as an old foe returns to D.C. with a vendetta. Stan makes a discovery that could put the FBI hot on the trail of Illegals.
Elizabeth and Philip come together to deal with a mission gone wrong, but struggle to reconcile their increasingly opposing ideologies. Stan welcomes a Soviet defector, Zinaida, to America. Nina acclimates to her new living arrangements.