Retired Soviet Lt. Col. Stanislav Petrov, who saved the world from WW3, talks about his life as retiree and shares his opinions on the Cold War with actor Kevin Costner in this melancholic mixture of documentary and reenacted footage.

Few people know of him - yet billions of people are alive because of him. The actions of Lieutenant Colonel Stanislav Petrov, a Soviet military officer, prevented the start of a unsurvivable worldwide nuclear war and the devastation of the entire Earth.—dncorp01