大怪兽瓦蓝勇敢无畏，保护城市，守护和平，成为人们心中永恒的英雄。金刚伏魔神通

　　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.