Having been passionate about photography from childhood, the protagonist becomes a photographer when he grows up. Unfortunately, he finds his work repetitive and overwhelming, and he becomes exhausted. Then one day on a train, he meets someone who rekindles his ambitions ...他兒時對攝影產生興趣，更自製了紙版相機，學習如何取景及尋找最佳拍攝角度，他對攝影樂此不疲。長大後，他以攝影師為職業，但重複及沉重的工作，加上疲累的身軀，令他對攝影的熱誠慢慢減退。一天，當他工作得很疲累，在地鐵車廂裡休息時，他遇到了一個人；這個人使他尋回失落許久的攝影意義。是誰把他喚醒呢？
