This film is the prequel of the "Out of the Core of the Earth" series. The giant monsters that ravaged the world in the first three episodes first appeared here. A small town rich in silver mines in Nevada soon became empty due to the bizarre deaths of miners. Gammer, who has aristocratic status, has local mining rights and hired foreign mercenary Kelly to deal with this group of monsters to avoid cutting off his own financial path. However, it is not human beings who are raging in the town. Gammer and the surviving townspeople in the town must be fully armed. So began a head-on confrontation with these giant monsters...
5.4
