In February 1964, three months after President Kennedy's assassination. Major Yuri Nosenko of the KGB makes secret contact with a young CIA officer, Steve Daley. He has startling information about the KGB's link with Kennedy's killer, Lee Harvey Oswald, and he wants Daley to help him defect. So begins one of the strangest stories of the Cold War, as Nosenko's defection leads the CIA on a hunt for a Soviet mole who they suspect has penetrated to the very heart of their organisation.
Screen Two
This film tells the true-life story of Yuri Nosenko, a top Soviet KGB agent who defected to the West at the height of the Cold War in 1962.
