勒维(达斯汀·霍夫曼 Dustin Hoffman 饰)在不久之前刚刚失去了父亲,这让他和哥哥多克(罗伊·施奈德 Roy Scheider 饰)之间的感情变得更加紧密。某日,勒维邂逅了名为艾尔莎(玛尔特·克勒尔 Marthe Keller 饰)的美丽女孩,瞬间坠入情网的勒维随即向艾尔莎展开了热烈的攻势,很快,两人便走到了一起。 勒维邀请多克和艾尔莎一起共进午餐,敏锐的多克发现了艾尔莎隐藏的秘密,没过多久,多克便被害身亡。让勒维感到震惊的是,多克竟然是效力于政府秘密组织的特工,而他的死亦并非意外,而是成为了政治斗争的牺牲品。在警官杰尼(威廉·德瓦内 William Devane 饰)的帮助下,勒维开始调查事件的真相,却发现自己早就已经身处于阴谋的中心。In New York, the brother of an infamous Nazi war criminal is killed in a head-on collision with an oil truck. Shortly thereafter, members of a covert U.S. government group called the Division begin being murdered one by one. Meanwhile, graduate student and marathon runner Thomas "Babe" Levy researches history as his father, who committed suicide after the Communist witch hunts of the McCarthy era ruined his reputation. When he sees his brother, one Division member, stabbed to death, it is revealed that Christian Szell, the White Angel of Auschwitz, is wrapping up loose ends to smuggle priceless diamonds from the United States.