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.
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.
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.
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.