Barney is sent into a reputed "haunted" house to retrieve Opie's baseball and sees things that make even the skeptical Andy wonder if there really are ghosts, until Andy discovers who's really doing the haunting.

While having dinner at the Taylor household, mountain man Briscoe Darling (Denver Pyle) mistakes Aunt Bee's usual hospitality for affection and whisks her away to his cabin to marry her, quite against her wishes. But when Aunt Bee takes it upon herself to "civilize" him, he wonders if hospitality is all it's cracked up to be.

Andy lets Gomer move in after he loses his job at the gas station and instantly regrets it after Gomer's night habits prove to be more than the Taylors can take. Now Andy must find a way to get Gomer's job back, or never sleep again.

Andy is called to arrest Ernest T. Bass once again for disturbing one of Mrs. Wiley's socials. Sympathizing with his search for true love, Andy and Barney teach him how to act like a gentleman and bring him to Mrs. Wiley's next social. But when Ernest falls for Mrs. Wiley's niece, his true colors shine through.

While guarding a gorgeous jewel thief one night, Andy nearly falls for her seductive charms. He decides to go home and leaves Barney to guard her for the night. But when it suddenly occurs to Andy what the thief's real plans are, he realizes he may not be able to warn Barney in time.

Andy and Barney are horrified to learn that Otis, the town drunk, has just bought a new car. After he passes out one night after a party, Andy and Barney put him in his usual jail cell and pretend that he is dead to teach him a lesson. Little do they know Otis may have already learned it.

When Gomer replaces Barney in the Mayberry choir, Barney is heartbroken. Gomer hears about this and feigns illness so that Barney can sing on the night of the recital. But when Barney's pride gets in the way, the big performance threatens to become a big disaster.