Two years after the murder of his son and father, a retired hitman sets in motion a carefully crafted revenge plan against the killer: his own brother.。二十年前，赤凤战神叶望舒无意间救下老同学林建业一家，那时林建业生意失败，妻子出走，只留下三个嗷嗷待哺的孩子，林顿感生活无望，叶的出现，照亮了他的生活。。
