暑假就要結束了,阿飛還有一個錄音作業「我的一天」沒有完成。為了補救作業,阿飛請媽媽與自己重新度過假期的一天,他努力修正細節,希望作業裡面的自己,聽起來既快樂又充實。在錄音帶捲盡之後,作業背後卻藏著阿飛沒聽見的另一面故事。
On the last day of summer, Fei and his mother cannot stop arguing. Fei finds a cassette tape in his bag since he is asked to record a summer day as schoolwork. Mother and son set off on a bold plan, reliving the last day of summer.