The film is set five years after Taiwan lifted martial law in 1992. It’s about a boy’s dream and difficulties he faceds. Jiang is a teen boy studieds in elite high school and be is expected to enter Top 1 medical college. In order to pursue his music dream, Jiang joins a marching band in school without informing parents. However, the marching band mainly serves for outdate martial music has been disputed to close. Jiang and his mates fight to save the band and participate a contest to return the honor.