A Vietnam War veteran, Kigwang is an old bus driver. One day, he faced that his son had committed suicide and met his granddaughter at the funeral. However, he founds that some friends of his son has been using as his granddaughter as their need. This was the beginning of his vengeance for the world…
影片講述了曾是參與越戰,獲知許久未見的兒子自殺的訊息,雖然被告知兒子是喝醉跳樓自殺,但看著悲傷的孫女、兒子身上奇怪的瘀傷,以及沒有喝醉的證據,起光於是懷疑兒子的死因不單純,警方拒絕重新調查後,起光決定自己找出兒子遇害的原因。