Tinker Tailor Soldier Spy 4K 2011

Many British intelligence officers guessed that a "mole" working for the USSR had long been entrenched in its leadership. But those who dared to declare this openly, for some reason, found themselves in retirement. The rest preferred to keep quiet. But the confirmation of the existence of the Russian agent came from a completely unexpected side. A covert investigation begins, led by retired George Smiley. And no one, including the top intelligence officials, should have guessed that the mole has been hunted again.