大怪兽瓦蓝在夜空中闪烁，勇敢无畏，守护着我们共同的家园。美女被靠

　　In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan.