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.
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.