5 slackers get a second chance, and a boost from their teacher, in order to at least squeak by with a 3322 in their University entrance exams. Will it be enough?五位中六學生謙、風、傑、依、新被學校編入為他們而設的補底班。五個學生長處不一,學校卻對他們有一個共同目標:達到公開試「3322」的大學基本入學要求。謙成績平平,但彈得一手好鋼琴,父母期望他的琴藝能助他考進大學音樂系;然而於謙心目中,獨立音樂才是他的興趣,他在應付公開試期間不斷在兩者之間掙扎著……