On October 1, 1962, four Russian Foxtrot submarines on a top-secret mission slipped silently from their northern base near Murmansk. Bound for Cuba ₁ where they intended to set up a military base ₁ each sub carried a nuclear tipped torpedo capable of blowing up an entire aircraft carrier group. By the time they arrived, they found themselves face-to-face with a massive American military blockade that would bring the world to the edge of nuclear war. This is the story of an underwater siege with four submarines at the front line of a nuclear standoff. Hear exclusive interviews with the men who were at the controls of these frightening machines and go inside the heads of the Soviet and American submariners for a first-hand peek at a chilling, eye-to-eye confrontation. Visit the U.S. war room, where tension was at a fever pitch during the conflict. And, even set foot inside the actual submarines ₁ Russian and American ₁ that very nearly set off a global nuclear war.