南投東埔一個不懂五線譜的小學校長和一群古靈精怪的小孩，組成了一個克難的合唱團。他們唱歌不按照樂譜、隨興更換聲部，唯一的秘密武器，就是純正漢方的八仙果，但是這個合唱團每次出門參加比賽，卻都拿下全國第一名！小朋友到大城市比賽，心裡盤算只要拿冠軍，就可以去麥當勞，但這次馬校長卻下了禁令：不准吃炸雞、不准喝可樂。因為他們不小心接下了一個超級任務：錄製一張唱片！過程中，不僅專業錄音讓小朋友狀況百出，原住民部落家庭的問題也紛紛出現，馬校長該如何解決？

With a background in sports curriculum, Bukut is the least likely candidate for directing a choir, but he has formed a choir made up of children who can’t read music and who are free to switch parts at any time – and winning multiple championships in national contests. Soon, Bukut and his choir faced an incredible opportunity: Recording an album professionally. How will Bukut guide these kids and help them concentrate on recording?