In 1934, four brilliant Cambridge students are recruited to spy for Russia. Fueled by youthful idealism, a passion for social justice and a talent for lying, they take huge personal risks to pass Britain's biggest secrets to Moscow.
2022
2014
1961
1989
2010
—
1990
1975
1998
2012
2023
2001
2019
2015
1976
2021
1980
