建筑师梁振宇与希迪筹备婚礼,偶遇分别多年的黄建恒并邀到家居住。途遇记者,被邀一起拍照留念,建恒父亲原为南非钻石商人。却遭合伙人谋财害命...A vicious gang captures a man who tried to seek vengeance against them. Mistaking the man's friend, successful architect Leung, for his accomplice, they brutally murder Leung's fiancee. Enraged Leung continues his friend's brutal revenge.