Shanghai Blues 4K 1984

The action takes place in 1937 in Shanghai. A soldier, who is about to be sent to the front, meets a young girl under a bridge during a raid by Japanese bombers. They agree to meet after the end of the war, knowing nothing about each other. Ten years pass, a woman, a singer performing in a nightclub, takes under her guardianship a young girl who has just arrived in the city from the countryside. The girl falls in love with a man who lives a floor above, who writes songs. Later we learn that the man is the same soldier.