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. Stan tries a new approach to mending his marriage with Sandra amidst learning tough news about Nina.

Philip faces a moral dilemma while developing an asset. Philip and Elizabeth’s friction escalates. Stan develops a theory with serious repercussions for national security. Paige makes a surprising birthday wish.

The Jennings’s approach their breaking points as both Philip and Elizabeth must handle loyal agents. Will they make it through with their patriotism – and sanity – intact?