This is the untold story behind History, a well-kept secret behind the world-wide icon: Nelson Mandela's release was a Plot for Peace. For the first time, heads of state, generals, diplomats, master spies and anti-apartheid fighters reveal how Africa's front line states helped end apartheid. Their improbable key to Mandela's prison cell was a mysterious French businessman, dubbed "Monsieur Jacques" in classified correspondence. His trade secret was trust

• Documentary