A Train to a Distant August (1971)

Original title: Поезд в далёкий август

A participant in the war with the fascist regime, a Soviet soldier Chigorin, who bravely fought in Odessa, decides to return to the black sea city and walk through the memorable places where a lot of blood of brave defenders was shed for every inch of land. On the train, a random companion of the man becomes Katya, a charming young girl who asks Chigorin to tell about those events. Going headfirst into the memories, the former soldier begins his story, in which there is a place for selflessness, friendship, mutual assistance, love and heroism…