隐藏杀手主演:凯尔·麦克拉克伦 Kyle MacLachlan/迈克尔·诺里 Michael Nouri,一个异形在美国流窜,为了得到它想要的,它杀掉所有挡它路的人,并且用他们的身体作为新的藏身之所,它不断追寻的是生命的能量,然而另一个借用了一个死去的FBI探员身体的异形对它紧追不舍,无数无辜的人们在这场追击中丧生 An alien parasite with the ability to possess human bodies goes on a violent crime spree in L.A. A human cop, detective Tom Beck, and an alien cop posing as a young FBI agent Lloyd Gallagher both pursue the parasite who frequently changes his human hosts.