The series is about a middle school badminton club at HaenamSeo Middle School, which is in bad shape. It relates the story of how it faces challenges to develop sixteen young boys and girls into national level badminton players. And how they grow as they participate in a junior athletic championship. Ra Yeong Ja (Oh Na Ra), a legendary badminton player, now coaches those 16 boys and girls, who dream of becoming badminton idols.