Andy has to break a date with Helen and go to Raleigh to meet with a lawyer who turns out to be a pretty blonde. Andy lies to Helen about it, but she finds out.
Andy sends Opie to a fancy camp where he makes friends with a rich boy. Later, when they attend a father-son get-together, Andy finds himself acting high-class just like he told Opie not to do.
Andy gets worried about how to pay for Opie's college, so he opens a laundromat to earn some extra money. It takes a lot more of his time that he thought it would.
When Goober hears that Wally has the gas station up for sale, he decides the time has come for him to become a businessman. With Andy and Emmett acting as co-signers, he borrows the money and is soon the proud owner of his own business. His idea of being a business executive may be a bit off kilter however. His first act is to hire an employee to do the manual work while he does all of the 'thinking'. Only problem is, he's not much of businessman and Andy and Emmett start to wonder what they have got themselves into when Goober starts to make some pretty serious ...
When Barney hears about an international summit meeting that will be held in the area, he volunteers the home of a wealthy Mayberry citizen. He fails to get the permission of the homeowner first, and the owner refuses to let them use his house. The summit entourage arrives in town with no place to hold the meeting.
Goober finds out Andy is taking Aunt Bee and Opie to the auto show in Raleigh and asks to go along, confident they'll get free samples when salesmen find out he's a "big operator". At the hotel, Goober calls up Roy Swanson, an old friend from trade school, to see how he's doing and to brag a little. They meet at the show and Goober is surprised to find out that Roy is a senior vice-president in charge of engineering with Amalgamated Motors. After hearing about a fellow student, Goober tells Roy he has a chain of stations instead of just one. When Roy meets the Taylors...
Emmett wants to buy Martha a mink coat from Flora's friend, who is in the business. When he and Flora go to Mount Pilot to get it, Martha sees them and thinks they are having an affair.
A new dating service wants to test out its questionnaire that is meant to find people with common interests and pursuits. They focus on Mayberry and soon Goober is filling out the questionnaire. Opie tries to tell him that he's not answering the questionnaire correctly - such as saying he read 30 books a month when in fact he reads that many comic books - but Goober perseveres. Soon, he's on a date with the highly educated designer of the questionnaire and it becomes painfully apparent that they have little in common. As things develop however, she soon finds there ...
Sam Jones has his friend Mario from Italy come to help out on the farm. Mario brings his father and sister along without telling Sam first. When they have a difficult time adjusting to life in Mayberry, Sam has to decide if they can stay in the U.S.