Two Moscow students are mostly concerned with scoring with women but their lives change radically when one of them falls for a Jewish girl whose family is being persecuted by anonymous anti-Semites and is preparing to emigrate to Israel.
The main character of the film is a veteran of the Armed Forces of the USSR, the general who remained in the ranks, who once traveled from Khalkhin-Gol to Berlin, has the largest awards. A strong and reliable person who has lost his son in a war treats everyone with whom fate brings him with sympathy and understanding. One day he comes to Crimea - to those places where he used to be happy in his youth, to see the house where his family lived. There he meets an elderly woman and her two grandchildren. One of the boys, Nikolay, reminded him of his own son. The friendship begins between an adult and a child, so necessary for each of them.
The ten-graders Gosha and Zosya are in love with each other. The last school waltz has been played and it seems nothing stands any longer in the way of the young people being together. However, getting the news that he’s going to be a father soon, Gosha chooses a “free life” and… marries Dina who has long been in love with him, though with no reciprocity. But already at the registry office, the lucky winner realizes that getting Gosha as her husband doesn’t mean getting his love, that unintentionally she made her loved one unhappy and they have no future together…
A group of young scientists conducts an experiment, putting themselves in the conditions of the people of the Stone Age. With the help of stone tools, they procure food and fire, and make themselves comfortable in nature.