Hikuma Koichi, a former saxophone player who has turned his back on music due to the aftereffects of an accident, becomes the advisor of a small brass band at a run-down high school. He has to deal with problem students who have lost their dreams as well as the teachers’ opposition to a professional musician entering the classroom. The path is not easy for him. Even so, Hikuma rediscovers his dream, confronts the students head-on and starts to coach the band. Despite their bewilderment, the students begin to reciprocate his passion for music.