Haruta and Chika are members of their high school wind instrument club that is on the verge of being shut down. The two are childhood friends, and they spend their days practicing hard while also trying to recruit new members. When a certain incident happens within their school, they work together to solve it.

After ten years of study in the US, Nonomura Kensuke returns to Japan to be an English teacher at a local high school. Kensuke's nontraditional teaching style stirs up the school, but the students gradually accept him.

Documentary made by Toho for the Masterworks reissue of all of its Kurosawa films. This one focuses on "No Regrets for Our Youth" (1946).

Haruta is handsome and smart, Chika is bright and naive. When they were children, they were friends until Haruta's family moved away while he was in the 3rd grade. They meet again during a high school entrance ceremony. After all of these years, Chika is eager to join the wind instrument club. Due to an incident, the wind instrument club is about to be disbanded. Chika can't give up the flute so she attracts Haruta to her side and tries to recruit members from the wind instrument club. The group attempts to solve various cases taking place at their school while they plan to take part in a contest.