The Internet era is in the past. There are no states or borders left. There are no more cities. There are only OSTROGS - powerful defense structures that are still capable of protecting the last people surviving on Earth. Civilization is hanging on by a thread, there are more than enough problems. So why does everyone need Danila Stashev, an ordinary delivery man whose destiny is to maintain communication between the prisons? What role is assigned to him in the last act of the Apocalypse?..