<p>此片根据詹姆斯·艾罗瑞(James Ellroy)的小说改编，描写了1950年代，警界腐败、犯罪纵横的洛杉矶。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;杰克·文森（凯文·斯派西 饰）是警界名人，常常出现在电视媒体中，与《嘘嘘报》的八卦记者狼狈为奸，靠制造和揭发明星的桃色新闻，赚取外快。艾德·艾斯力（盖·皮尔斯 饰 ）子承父业进入警局，野心勃勃，做事严谨，因为出卖同事而升职，受到大家的排挤；巴德·怀特（罗素·克劳 饰） 铁面无私，但是个性冲动，容易遭人利用。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;一桩疑似抢劫的餐厅命案将这三个人联系起来。艾德·艾斯力找到了三个黑人嫌疑犯，并被判死刑结案，还因此收到上级嘉奖，但是他却在进一步的调查中发现案子并没有那么简单，他说服了杰克·文森和他一起继续追查；巴德·怀特对餐厅命案一直心存怀疑，他找到的线索也显示，案子根本没有想象中那么简单。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;三个人迅速被卷入一个色情、毒品、谋杀、背叛、贪污、阴谋交织的网中，惊人的内幕......</p>
