To Richie's surprise, Mr. Rich nervously cautions Richie against using a fly swatter that he is holding. In explanation, they take the swatter out on the estate grounds, where Mr. Rich demonstrates that the swatter instantly destroys anything it swats. Richie tries it on boulders and trees with results impressive enough to catch the attention of two crooks hiding nearby. At gunpoint, they take the swatter from Richie and his father and drive away.; Having stolen a powerfully destructive fly-swatter, two crooks lead Richie and his father on a high speed car chase. The crooks try to shoot out the tires on Mr. Rich's car, but thanks to a couple of useful gadgets Richie's father had previously installed, the bullets don't slow them down. The more dimwitted of the crooks uses the fly-swatter in ways that foil their own plans, ultimately leading to their capture. As a result of the incident, Mr. Rich decides not to put the destructive swatter on the market.; Gloria is amazed by giant fruit grown in the Rich greenhouses.; Cadbury performs a variety of maneuvers on the diving board but never actually dives.; Everyone on the Rich estate is so healthy, Nurse Jenny feels she has no purpose there. Not wanting to lose her on the estate, Richie thinks of a way to use a riddle book to keep her on.