How do you find an enemy who is hidden right before your eyes?
In the bleak days of the Cold War, espionage veteran George Smiley is forced from semi-retirement to uncover a Soviet mole within his former colleagues at the heart of MI6.
london, england
budapest, hungary
espionage
spy
cold war
1970s
traitor
kgb
secret agent
mi6
mole
british spy
british intelligence
complex
soviet
intense