龙四是黑道帮派的老大，有一次他被林雪告知自己被悬赏暗杀，原来是对方知道了他私吞了一亿两千万的公款。由于知道这件事情的人少之又少，因而他怀疑是黑帮派中的四大天王之一所为。为了找出悬赏暗杀自己的人，他命令养子和自己所豢养的所谓“御林军”保护自己的人身安全，并且极其信任自己的养子Peter仔，殊不知真正的危机就潜伏在他的身边。Peter仔似乎也并不是那么的忠心耿耿，毫无私心。作为被豢养的“御林军”其中的一员，发仔的任务当然是好好保护好他们的黑帮老大龙四，他一直尽职尽责，忠心耿耿地守护在龙四身边，只是伴随着帮会四大天王一个接连一个地死亡，发仔突然察觉事情似乎没有自己想象的那么简单了，他觉得帮会似乎在酝酿着更大的阴谋
Long Si is the boss of a mafia gang. Once he was told by Lin Xue that he was offered a reward for assassination. Tens of millions of public funds. Since few people knew about it, he suspected that it was done by one of the four kings in the gang. In order to find the person who offered a reward to assassinate him, he ordered his adopted son and the so-called "Guardian Army" he raised to protect his personal safety, and he trusted his adopted son Peter Aberdeen extremely, but he didn't know that the real crisis was lurking around him. Peter doesn't seem to be so loyal and selfless. As a member of the "Royal Forest Army" who was raised, Fazi's task is of course to protect their gang leader Long Si. He has always done his duty and loyally guarded Long Si, but he is accompanied by one of the four gangsters. After dying one after another, Fazai suddenly realizes that things are not as simple as he imagined. He feels that the gang seems to be brewing a bigger conspiracy
离奇的剧情扣人心弦，让人捉摸不透。《黑白战场》以复杂的悬疑剧情为核心，融入了犯罪、阴谋和复仇等元素，让观众始终保持着高度的紧张感。故事情节曲折而出人意料，剧情的推进和揭示过程令人着迷，每个细节都充满了谜团和猜疑，让人欲罢不能。
演员演技精湛，塑造出深刻的角色形象。余文乐、曾志伟、黄伊汶和关秀媚等演员在《黑白战场》中呈现出出色的表演。他们饰演的角色各具特色，情绪和内心的变化都展现得淋漓尽致。演员们的精湛演技赋予了角色生动的个性，使得观众能够真切地感受到他们的痛苦、迷茫和挣扎。
导演巧妙的叙事和紧凑的节奏，增强了悬疑氛围。钟少雄和王晶导演运用了巧妙的叙事手法，将故事呈现得扣人心弦。他们通过镜头运用、音效和剪辑等技巧，创造出紧张而紧凑的节奏，让观众难以分神。导演们在悬疑片的处理上展现了出色的能力，将观众带入一个充满疑云和谜团的黑白世界。
综上所述，《黑白战场》以其扣人心弦的剧情、出色的演员表演和巧妙的叙事获得了观众的认可。我会给这部电影打出4.5分（满分5分），因为它成功地营造了悬疑氛围，演员们的出色表演和导演们的巧妙处理使得观众无法自拔，同时故事的复杂性也使得影片充满了吸引力。
