剧情介绍
Inanefforttofindaneconomicmeansofpurifyingsaltwater,ajointU.S.-JapanesemilitarycommandissetuponanisolatedJapaneseislandwhereanunusualsaltwaterlakeissituated.However,theirpurifyingexperimentsarousetheprehistoricmonsterObakifromhibernationatthelake'sbottom,anditproceedstoattackJapan.