成軍10年的花蓮縣北埔國小原住民民俗舞蹈隊，多次獲得全國學生舞蹈比賽佳績，並代表台灣受邀參加國外藝術節演出。這次，經過半年阿美族傳統舞蹈及歌謠訓練後，準備參加11月份的花蓮縣縣賽的歷程。然而，比賽當天，原本平時表現穩健的大家，卻在中場低聲輕唱之處走音。究竟這個失誤是否會對最終的成績造成關鍵性的影響呢？The children’s aboriginal dance troupe at this school has won numerous national championships in the last ten years, even going on international tours representing Taiwan. Members undergo another rigorous training this year. Will they succeed again?