Her government called her a traitor. Based on true events, Official Secrets tells the story of Katharine Gun (Keira Knightley), a British intelligence specialist who received a shocking memo in 2003: the United States is enlisting Britain’s help in blackmailing United Nations Security Council members so they vote in favor of the Iraq War. Unable to stand by, Gun defies her government and leaks the memo to the press, beginning an explosive chain of events that will ignite an international firestorm, expose a vast political conspiracy, and put Gun and her family in harm’s way.