Ethan, North Pine High’s star drumline captain, is riding the biggest competition of the season - until his prized cadence book disappears. When it turns up in the hands of Aiden, the first boy he ever loved who vanished without a word, all the emotions he’d quietly packed away come crashing back. Now forced into a rivalry, the boys must face their shared history, the music that binds them, and the feelings they never truly let go.