An Alaskan ecologist (Walsh) who hates his job at a corrupt oil company gets involved with arresting a rogue hunter (Hauer) who has killed the sheriff.

• 艾域与女友安妮搬到阿拉斯加参与生态研究。一日，有批非法捕兽者设置陷阱猎兽，警长森美拘捕其中的捕兽者高尔。