On the threshold of an all-out nuclear conflict, a group of volunteers, equipped with the latest technology of the 21st century, plunges into suspended animation. The awakening after five centuries turns out to be terrible. Civilization has been thrown back thousands of years, and the degraded remnants of humanity are engaged in bloody internecine wars. Each participant in the experiment must make his own choice: strictly follow the program laid down in it, or join the section of the emerging world.