Series 8
World War II is over, but the Cold War simmers in 1946 London. DCS Christopher Foyle has retired from police work when Britain's secret intelligence service compels him to join its ranks. Reunited with his former colleague, newlywed Sam Wainwright, Foyle faces new-but no less deadly-threats in the world of spies and counterintelligence.
01. The Eternity Ring
Foyle is now working in a different new role working for British Secret Intelligence. As the iron curtain falls across Europe, MI5 believe that British atomic research has been infiltrated, and ask Foyle to investigate whether a Russian spy network could be at work in London.
02. The Cage
Foyle investigates the death of a Russian and it ends up leading to a mysterious military facility run by a Colonel with an impeccable war record.
03. Sunflower
Foyle finds himself being drawn into the strange murder of an ex-Nazi defector and leading expert on Soviet intelligence who had been working for MI5. Sam’s husband, Adam, is pre-occupied with his new political jobleaving her concerned that she’ll be able to share some huge news with him.