The last week before the end of summer in a very small town on the banks of the Volga, the last week before the friends go their separate ways until next year, some to return to college, others to earn their living , others join the barracks. In Yurevets from the group of young people between 17 and 19 years old only Slava will remain with his adoptive grandmother, although he does not know exactly who she is, it is said that she is in fact a stranger to him.