In the 1980s, three men speak out and change the rules of the Cold War. American president Ronald Reagan challenges the Soviets to tear down the Berlin Wall. Pope John Paul II and Union Leader Lech Walesa galvanize Poland and rattle the Iron Curtain. Facing growing dissent fueled by a faltering economy, Soviet leader Mikhail Gorbachev unleashes reforms that will shake Communism to its foundation. For almost 50 years, the fight between two superpowers shaped our societies and our way of looking at the world.