Official Secrets tells the story of Katharine Gun (Keira Knightley), a British intelligence specialist whose job involves routine handling of classified information. In the lead-up to the Iraq War, Gun receives a memo from the NSA with a shocking directive: the United States is enlisting Britain’s help in collecting compromising information on United Nations Security Council members in order to blackmail them into voting in favor of an invasion of Iraq. Gun makes the gut-wrenching decision to defy her government and leak the memo to the press. So begins an explosive chain of events that will ignite an international firestorm, expose a vast political conspiracy, and put Gun and her family directly in harm’s way.