When an ancient demon is accidentally unleashed in a sparsely populated Alaskan town, the only hope of survival lies in the hands of a grizzled old demon hunter Jebediah Woodley and his reluctant part...

片名源自dinosaur“恐龙时代的生物”，阿拉斯加的亿年冰川中封存着一亿五千年前鲨鱼的幼苗，气候变化影响之下，冰川冻结，远古生物重现21世纪的海洋，游至瓦拉塔海港，一个宁静温暖的小港……饥饿的史前鲨对那里的人物张开了血盆大口，所到之处尽是一片血腥，杀戮何时才能终止呢？谁能除掉这头猛兽呢？！...