
Andy Taylor is the widower sheriff of the small, sleepy North Carolina town of Mayberry. Andy and son Opie live with Aunt Bee, who takes care of the family. Andy's deputy is his bumbling but neurotically hilarious cousin, Barney Fife. Among Andy's Mayberry friends is the town's resident barber, Floyd.

Barney moves into the courthouse jail after his landlady evicts him. When he learns that she is planning to sell her home and marry someone she just met, Barney suspects that she is the victim of a con man.

Gomer makes a citizen's arrest of Barney for an illegal U-turn, the same violation Barney has ticketed him for, causing him to overreact and resign as deputy.

Staid county clerk Howard Sprague becomes a comic and performs on a TV amateur hour.

County Clerk Howard Sprague volunteers to become the Big Brother of a high school boy.