A young man named Saul meets the same man. And it turns out that his name is also Sol .. There is a dispute. Disputes at that time were solved (will be solved) with the help of a duel in a circle .. And one Saul defeats the other . The defeated enters the service of the winner and is forced to be content with the name Sos. Along the way, the reader realizes that the action takes place many years after the atomic war, which destroyed large cities and almost the entire civilization. It turns out that most people live a very strange life. They are sort of wandering knights who don't care about tomorrow and who have where to sleep and what to eat. This is a very simple life[edit]