The returning soldier Kuzma Kadkin on the train tells how well he lived before the war, and that everyone in the area knows him. An accidental fellow traveler, a young mother, leaves her child, a one and a half year old boy, Kadkin, to run away at the junction for water, but lags behind the train. Kuzma has no choice but to bring the baby home...

High school student Andrei Goryayev faces a criminal liability for a hooligan misconduct. A compassionate witness pities the young man, and he is released. Having quarreled with his father, Goryayev leaves home and wanders around the capital until he accidentally finds himself in a new district of Moscow: at a construction site in Cheryomushki.