A sadistic small-town sheriff has a habit of deliberately forcing speeders to their deaths on the mountain roads leading into town. The brother of one of the victims rolls into town in his hot rod to investigate his brother's death.

When, prehistoric monsters attack the earth, Commander Adams is asked to head up a paramilitary scientific team, which he agrees on the condition that he is provided with the general's new high-tech space craft. Glen, the creator of the craft, insists on being part of the team, as does a bumbling fool named Marconi. Biologist Lieutenant Ann Johnson comes on as a surprise to these two chauvinists, and finally, Lieutenant Harris, who has been appointed the host of Ultraman, joins the team upon his arrivial.

A woman kills her lover's wife, then sets out to frame her husband for the murder.

A small-time talent agent discovers an amazing boxing kangaroo and figures to use it as his stepping-stone into the big time.