Shot of President Harry S. Truman making a speech before congress. Shot of troops surrendering at the end of World War II. A large crowd cheers and celebrates in Times Square in New York. Shot of the Trinity nuclear bomb test in New Mexico showing the giant explosion and mushroom cloud. Footage of a Japanese official signing a declaration of surrender while US troops look on. Shots of a large, seated audience clapping. Harry S. Truman addresses the audience while seated at a desk.