Lafe Crick arrives with his daughter Essiebelle. He found love letters Jethro wrote to his daughter, a beauty contest winner. He plans to get Jethro and Essiebelle married so he can get his paws in the Clampett fortune. However, the two don't want to get married, Essiebelle already has a man back home, and Jethro doesn't want to marry Essiebelle because she doesn't look the way she did before. She has gained a considerable amount of weight. When Jed finds this out, he arranges a plan to get Lafe to cancel the engagement between the two, and it works. So in the end, everybody's happy. Essiebelle is marrying her boyfriend back in the hills, and the Clampetts give her the diamond jewelry they bought at the jewelry store. And Jethro is still single.