在这部一级恐惧之悬疑追击动作/惊悚片中,东尼在解决了一桩绑架杀人案后，被调至警局特别行动小组，调查一桩用热铝倒入人体使人窒息而死的残酷连环杀人案件，已有15个人被其用同一手法杀死了，而且死者皆为没判死刑的重犯。 警局上司放出重刑犯引连环杀手现身，并怀疑东尼就是热铝杀手。原来特别行动小组的成员都是由有严重暴力倾向的警察组成，小组成员都有嫌疑是热铝杀手。东尼的同事发现真相后却被炸死，而警局的两个高级官司员也被杀害。上司继续放出重刑犯引诱热铝杀手，却始终调查不出凶手究竟是谁，可凶手却又时时刻刻在你身边。
Six veteran police officers all have a blemished record. One of them tries to be judge, jury and executioner. Their superior has a plan to flush-out the vigilante. Tony Castagne and Jimmy Davane are the two most likely suspects, but any of the six could have a suspicious agenda.
