The Jennings struggling to contain the risks from Paige's growing relationship with Matthew Beeman. The Centre sends Philip and Elizabeth on an operation unlike any they've ever had before, straining their family and marriage to its limits.

Stan and Oleg wrestle with the harsh consequences of their complicated history as Philip and Elizabeth face a new mission with devastating implications for their country.

Philip and Elizabeth tell Paige more about the family business, but pressing new questions arise when an operation takes a ghastly and unexpected turn. Meanwhile, a sensitive package jeopardizes Oleg’s life back home.

Philip and Elizabeth have qualms about a new assignment, while a specter from Philip’s past creates unforeseen dangers. At the FBI, Stan makes a shocking play that could throw his career into turmoil.

Philip and Elizabeth receive surprising news about Henry -- and shattering news about a past operation. Stan might be falling in love, but Philip wonders if something darker is going on.

Gabriel stuns Philip and Elizabeth with a sudden announcement and a crushing revelation about Philip's past. Stan and Aderholt draw a fly into their web while Oleg and Ruslan ambush their first suspect.

As Paige becomes even more enmeshed in her parents' world, tensions with Matthew Beeman come to a head, Philip and Elizabeth's honeytraps take surprising turns, and Stan faces the consequences of overplaying his hand at the FBI.

A secret brings Elizabeth and Paige together. Back in Moscow, Oleg's own secrets put him under KGB suspicion and a new twist in the Morozov operation creates an opportunity that changes everything.

Philip and Elizabeth are thrown off balance when things with Tuan take an unexpected turn. Henry makes a startling proposition and Stan has a disturbing encounter with Frank Gaad’s widow.

Paige’s snooping leads Philip and Elizabeth to make a choice that could shift the balance of their lives forever. Stan and Aderholt’s recruitment of Sofia suddenly bears fruit.

A surprise assignment from the Centre divides Philip and Elizabeth, forcing them into a moment of profound crisis. Stan gives Henry a tour of the FBI.

As Philip and Elizabeth grapple with a momentous decision, Tuan takes matters into his own hands in the Morozov operation. Back in Russia, Oleg’s investigation collides with the realities of the Soviet system.

In the season finale, Philip and Elizabeth race against the clock as a life hangs in the balance, while Stan faces an uncertain future.

It’s autumn, 1987, and as a major arms control summit looms, Elizabeth is pushed to her limits as never before. Philip, meanwhile, has settled into running the newly expanded travel agency – until an unexpected visitor makes a disquieting request.

Elizabeth targets an old source who could tip the balance of the upcoming summit, as Philip deals with business at the travel agency. Stan learns an old friend is back in town.

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.

As the summit fast approaches, Elizabeth enlists Philip’s help for a mission that could yield game-changing intel.

A sudden assignment pulls Elizabeth away from her family at a crucial moment. At the FBI, a major development leads Aderholt to approach Stan about an urgent investigation.

Philip and Elizabeth come together for a perilous operation unlike any they've ever had before. Stan and Henry spend a little quality time together.

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, and Philip has an encounter that turns into much more than he had bargained for.

In the series finale, the Jennings face a choice that will change their lives forever.