Earl Bassett's celebrity after defeating the Graboid attack against the town of Perfection has proved short-lived, until he's recruited by a Mexican oil company whose workers have found more than they bargained for under the soil.

The police track down a notorious burglar in order to apprehend him. However, he is given a chance to make up for his ways by working with the police on a case involving stolen diamonds.

An eccentric inventor has thought of a way that automobiles can run on radio waves, without gasoline. His plans put him in conflict with the owner of an oil company, who is also pursuing the inventor's daughter. This rival begins to scheme against the inventor, and it is left up to the inventor's hired man to try to stop him.

A group of remote control car racers compete over the course of summer 2021, on different tracks in the South of England, all aiming to be crowned the King.