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.

Philip must consider his life with Martha and make a crushing choice from which there is no coming back.

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?

The Day After premieres, making the stakes - and terrible consequences - of the Cold War plain. Even with that in mind, will Elizabeth be able to complete the painful process of the "Patty" operation?

When Paige’s long-ago indiscretion threatens to resurface and destroy the family, Philip and Elizabeth find themselves scrambling – and Paige finds herself reevaluating who her parents really are.

Elizabeth completes the last steps of a very personal operation… but at what cost?