Philip must consider his life with Martha and make a crushing choice from which there is no coming back.
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?
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.
As Philip and Elizabeth struggle to contain the risks from Paige's growing relationship with Matthew Beeman, the Centre sends them 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.