An expedition to Infant Island discovers a native population and tiny twin fairy priestesses of the island's mythical deity. Named Mothra, she sets out to rescue her fairies after they are kidnapped by an exploitative businessman.

An embattled planet, which is on the edge of doom, sends an S.O.S. and an intergalactic team comes to its rescue.

The nations of the Earth unite in a common cause to fight off an invader from outer space.

When a narcotics deal goes sour and a suspect disappears, leaving only his clothes, Tokyo police question his wife and stake out the nightclub where she works. His disappearance stumps the police - until a young scientist appears who claims that H-Bomb tests in the Pacific, evidenced by a "ghost ship" that has turned up in the harbor, have created radioactive creatures - "H-Men" - who ooze like slime and dissolve anyone they touch.