Snezhana Chernova

Paige becomes more enmeshed in her parents' world, and 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.

Philip and Elizabeth struggle to contain the risks from Paige's growing relationship with Matthew Beeman, and the Centre sends Philip and Elizabeth on an operation that strains their family and marriage to the limits.

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.

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

Philip must take stock of his life with Martha and make a difficult choice, from which there is no return.

As Paige deals with last episode's trauma, she sees her mother in a new light... and finds she has inherited some of her parents' skills. Plus, has Oleg reached his breaking point with Stan?