Tinker Tailor Soldier Spy is the long-awaited feature film version of John le Carres bestselling novel. Set at the height of the Cold War, the thriller follows retired agent George Smiley (Oldman), recently forced out from the Secret Intelligence Service, a.k.a. The Circus. Smiley finds himself sucked back into the shady world of espionage when he is contacted with information that The Circus has been infiltrated by a Soviet double agent. Unsure of who he can trust and with national security and the fate of the country in the balance, Smiley must work in secret to flush out the mole.