A young marine geologist believes Iwane Island is going to sink beneath the waves but the appearance of prehistoric amphibious humanoid becomes a more immediate concern.
A group of antiquity thieves make off with a 6,000-year-old artifact only to discover that its curse is more than just legend and soon Tokyo is in danger of being destroyed by the monster Goga.
The crew and passengers on the maiden flight of a new supersonic jet vanish into a strange vortex-like cloud. Trapped in an eerie fog-shrouded shrouded dimension they must find a way home.
A strange cocoon swallowed a grasping boy Kaneo. He turns into a coin eating monster Kanegon next morning. His friends struggle to turn him back into normal.