In World War II, Lt. Gen. Leslie Groves Jr. tasks physicist J. Robert Oppenheimer with the covert Manhattan Project. Together with a dedicated team, they toil relentlessly to create the atomic bomb. After years of effort, on July 16, 1945, the momentous achievement emerges: the first-ever nuclear explosion. This groundbreaking event reshapes history, unleashing the era of nuclear power and forever altering the world’s geopolitical landscape.