4 Minutes to the Apocalypse

HOW HARD IS IT TO PRESS THE BUTTON THAT ACTIVATES WEAPON CAPABLE OF ENDING OUR ENTIRE CIVILIZATION? It was a short nuclear war of just a few hours. It is not known who started it and why. Probably it was decided randomly. Perhaps it was a human or computer error. All those who would know are dead. After the first rocket attack, everything happened so fast. Retaliatory strikes were launched one after the other with only a few minutes intervals. On that day, millions of people died and the largest cities were razed to the ground. Those who survived had to face the world, which with each passing hour and day plunged into increasing chaos ...