This feature length film is based on autobiography of Cho "Chocchan" Kuroyanagi, who is better known as the mother of an actress Tetsuko Kuroyanagi. The story starts in pre-World War 2 Japan when Chocchan marries violinist despite the objection of both of their families. They live in poverty, have three children and are happy together. Any misfortune they face with a smile. But new obstacle for their happiness comes when the war breaks out and Chocchan's husband must leave for the front...