Tinker Tailor Soldier Spy (2011)

"During the Cold War, the two major spy organizations in the world - the Russian "Centre" and the British "Roundhouse" were fighting openly and covertly. The agent was killed, and the top management was furious and ordered the "Square" to dig out the "gopher". There are five people under suspicion, namely the tinker, tailor, soldier, poor man and beggar named by the previous "boss" of the Circus. Among them, those who wash their hands in a golden basin..."