Tells the story of Christal, a child with talent in playing the piano. Her life changes drastically when she has to move to Labuan Bajo for her father's two-year assignment. In Labuan Bajo, Christal experienced many challenges and difficulties, especially at school. She also had conflicts with four classmates: Noel (Singer), Kobus (Footballer), Yosep (Boxer), and Samuel (Mathematician). However, the situation changed when the school foundation decided to close the school due to a lack of new applicants. A teacher, Ms. Asri, tried to save the school by forming a choir to participate in auditions, hoping to win the competition and attract the interest of the local community.