Fifty years ago, the world stood on the brink of nuclear war as the US and Soviet leadership engaged in a 13-day military stand-off over missiles in Cuba. In A L Kennedy's story, Turn Our Backs, a young woman struggles to make plans for a future that might not exist. In Marina Lewycka's story, Four-Minute Warning, a teenage girl wonders how to make the most of her last four minutes, should the warning come. In Douglas Kennedy's story, A Cold War, a young boy in Manhattan watches his parents' marriage fall apart as nuclear war looms. Produced by Justine Willett.