After a UFO sighting, a mysterious phantom in a bizarre outfit starts attacking people in San Fernando Valley.

A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they have…

Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has become too dangerous); opposing his authority is Kent Fowler, who resists the alien…