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.

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.

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.

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