Jack grudgingly agrees to search for his daughter Hannah's boyfriend who disappears after he runs away from home in Chicago to be with her in New York.
With the arms control summit under way, a shocking revelation from Philip throws Elizabeth and her work into turmoil; Stan follows a dangerous hunch.
Elizabeth wrestles with competing loyalties. Philip has an encounter that turns into much more than he had bargained for.
In the aftermath of a disastrous operation, Philip and Elizabeth clash about how to handle things with Paige; Stan struggles to contain the growing risks of Sofia and Gennadi's fraying relationship.
After picking up a distressing piece of intelligence, Elizabeth takes extreme measures to get close to a Soviet negotiator. Philip shares some stunning news with Henry.