新任视察员雷蒙特和助手艾米奉命调查警察局内部一起贪污案时,发现了另一个更加隐秘的犯罪网,涉及到了声望很高的警官佩克。佩克实际上是个十分阴险的人,他一面与雷蒙特装作友好,一面又挑拨雷蒙特夫妻间的关系。调查中发现佩克有很多女人,且凡是与他交往密切的警察都很富有。被怀疑有贪污行为的斯德雷奇打电话给妻子彭妮,让她与雷蒙特做一笔交易,而此时彭妮正和佩克情意绵绵,佩克于是派人暗杀了斯德雷奇。实际上佩克一直在充当受雇杀手,就在他又去接受一起杀人买卖时,雷蒙特和艾米赶到现场,但未能抓到他。随后,他又杀死雇主,并到雷蒙特家中恐吓他妻子凯瑟琳,雷蒙特及时赶来,二人又展开一场拚杀。Keen young Raymond Avila joins the Internal Affairs Department of the Los Angeles police. He and partner Amy Wallace are soon looking closely at the activities of cop Dennis Peck whose financial holdings start to suggest something shady. Indeed Peck is involved in any number of dubious or downright criminal activities. He is also devious, a womaniser, and a clever manipulator, and he starts to turn his attention on Avila.