简介：　　Zhang a middle aged man struggling with a dead end job as an insurance sales person, on the verge of divorce with his wife, losing custody of her daughter and on top of all this he had to take care of his father who's suffering Alzheimer's. Unknowingly Zhang was invited to join an underground fighting game for financial purposes but eventually Zhang becomes hooked on the fights and turns professional.

简介：　　保险经纪人叶永信(陈家乐 饰)某天接到一通神秘来电，电话中的男子问自杀后多久可以拿到赔偿，随后他接到上司通知有客户指定他去跟进保单，叶上门拜访时亲眼目睹一个孩子吊死在屋中，他随即认定客户为诈取保险金而杀害儿子，决心暗中对朱重德(黄秋生 饰)和沈子玲(林嘉欣 饰)夫妇展开调查，恐吓随即接二连三发生在他及恋人文惠仪(汤怡 饰)身上，在又一起命案发生后，他愕然发觉事情和他的判断并不一样…