Iwane Sakazaki returns to his homeland and gets caught in the middle of an incident that results in the tragic death of two of his best friends from childhood. He…

Two different students—a successful but aloof academic and a rebellious but kindhearted delinquent—form a friendship through their love of jazz music.

Hama-chan meets a friendly US soldier on a trip to Nagasaki with Su-san. Su-san returns to Tokyo and is informed that Hama-chan has gone missing.