The annual Harvest Ball is soon and the men are asking each other who they're going to take. Goober would like to take Millie Swanson, but is having a hard time asking her. Emmett writes a letter to Millie for Goober. Meanwhile, Sam would like to ask Millie to the ball as well. Goober asks Sam to rewrite Emmett's letter and Sam finds out it's to Millie. Sam has to run an errand before he can finish Goober's letter. Millie comes to Sam's office and sees the letter. She is excited because she likes Sam. Millie gets the letter in the mail but is disappointed when she sees it's from Goober. Millie's friend Dorothy is there when she reads the letter and says what a nice guy Goober is. Millie shows up to the ball with Goober. Sam is able to get a dance with Millie and Goober can see she would rather be with Sam. Goober tells Sam what he sensed and says it's OK. Goober leaves and runs into Dorothy and senses she likes him. Sam and Millie see Goober and Dorothy walking off arm in arm.

Sam hires a new farmhand, Rudy Harwell, to help harvest his corn crops. Emmett mentions to Sam how impressed Mike is with Rudy. Even Flora sees how much Mike admires Rudy. Flora tells Sam he should spend more time with Mike. She is afraid Mike is beginning to enjoy being around Rudy more than him. The next day, Sam takes Mike into town, but Mike doesn't seem to have much fun. Flora tries to tell Rudy how close Sam and Mike are. Back at home, Sam and Mike try to put a model car together. Things don't go smoothly and then Rudy comes in and finishes the model. Mike goes off with Rudy. Later, Mike is having a hard time with a composition for school. Flora tells him to ask Sam for help, but he goes to Rudy instead. Rudy intentionally gives Mike bad advice hoping he will then turn to Sam. Mike does go to Sam and tells him about the bad advice Rudy gave him. The corn crop is harvested and Rudy leaves. It's then that Sam figures out that Rudy wanted Mike to be close to his father.

While tossing a football with Sam at Goober's service station, Emmett falls into the grease pit. The guys take Emmett to the Doctor and learn he broke his arm. He'll have to wear a cast for 5-6 weeks. Emmett is worried about having to close his shop. Not wanting to leave the town without a fix-it shop, Emmett puts an add in the paper for help. A scientifically-minded high school boy named Ernie applies for the job. Emmett at first turns him down, but then hires him. Emmett soon learns that Ernie is very skilled at fixing things. Word spreads around town about how talented Ernie is and now everyone is bringing in things to be fixed by him. A depressed Emmett tells Sam that he's closing up shop and leaving Mayberry. He says his shop just isn't the same anymore. Sam tells Emmett that even he has to try and keep up with new things and methods. After Emmett leaves, Sam calls the high school. Emmett winds up joining Mr. Desmond's science class at the school.

Aunt Bee, Sam and Mike stop at a spot in Grover's woods that she is quite fond of. Sam tells her that the county is putting a road through there to make a shortcut from the highway to Mayberry. Aunt Bee and the garden club decide to send Sam to the County Seat to protest. Sam at first turns her down as he believes the road will be a good thing. But he reluctantly agrees to go to Mt. Pilot. Sam, Clara and Aunt Bee go to see Commissioner Osborne. Osborne tells them the road has to be built. The day that construction is to start, the ladies arrive to protest and block the tractors from going through. Osborne tells the ladies the project will be temporarily postponed while he looks into the matter. Osborne comes up with a plan to put the road in without cutting down a tree. Howard figures out that will make the shortcut a half mile longer than the current road.

Millie receives a letter from Rex Alexander, a famous sculptor she met while modeling in New York. After Rex arrives, Millie throws a tea party to have some of the towns people meet him. Rex has been in town for a week and has grown quite fond of the place. He tells Sam and Millie he would like to create a sculpture for the town as a gift. The piece is called "The Struggle" and the crowd looks at it in awkward silence. After the crowd disperses, Rex is worried the people don't like it. Sam and Millie try to reassure him that everyone loves it. It's decided that Howard would subtly try to find out from Rex what the piece represents. Rex says that it represents man against machine. Aunt Bee introduces Anthony Harper, a curator from the Raleigh Art Museum. The plan is that the sculpture will be permanently loaned to the museum so that many more people will be able to enjoy it.

At their lodge finance meeting, Sam discusses their new health insurance plan. It will only increase dues $8 a month and all bills will be paid by the lodge. Later, Howard tells Sam that his doctor suggests he have an operation to correct his deviated septum. Elmo finds the timing of this operation very suspicious. Emmett and Goober confront Howard and call him a crook. They go with to the hospital to make sure Howard doesn't pad the bill. Emmett and Goober then ask Dr. Wilson about some of the expenses of the operation. Emmett and Goober decide to go see Howard at checkout time to make sure he doesn't stay longer than he should. The lodge meets and learns the health fund is heavily depleted. Goober suggests if Howard doesn't have appendicitis the lodge shouldn't pay for the extra day. Howard is out of the hospital. Goober doesn't believe someone can develop symptoms just by talking about it. Then Sam mentions hives and Goober starts itching.

Sam and Emmett help put on a show for the church.

Great news comes from the Mt.Pilot Press....Millie is declared the best dressed woman in ALL of the area! Everyone is very happy about this. Soon, the woman start copying Millie's styles and clothing she wears...including miniskits! The men strongly object, and Sam must tell Millie to stop. That night, the woman who she has been getting the fashions visits....and is in completly different clothes! Millie finds out that you should wear what you want to wear in this episode.

Howard's hippie nephew visits him

Goober housesits at a rich man's house, and falls in love with a rich girl, only to find out the only reason the girl's mother likes him is because she thinks he's rich.

Goober, Howard, and Emmett paint Sam's house against his wishes.

Howard becomes to hose of a local literary program and becomes attached to an anonymous girl named Melissa whom Goober and Emmett created

Alice's harp teacher asks her to marry him.

Goober gets lost in a cave.

When the representative of the company City Planners turns out to be an attractive woman, everyone worries about Sam spending so much time with her.