Akin is a Grade 11 student who dreams of leading his school's marching band to the nationals with his own snare drum. However, Akin faces a turning point when he gets involved with the mysterious death of a junior in the band which forces his family to move Akin to a new school. His best friend, Tap, replaces Akin on the snare drum.

At his new school, Akin meets Rin, a member of the schools' marching band and ignites Akin's hopes and dreams anew.

Akin and Tap meet again at the national marching band competition. What will become of this competition?