Some old love letters from Jethro lead mountain man Lafe Crick and his daughter Essiebelle to Beverly Hills. Jethro is looking forward to marrying Essiebelle until he sees how much weight she's gained. Essiebelle is not concerned as she loves a boy back in the hills. When Jed finds this out, he makes sure the wedding won't happen.

The freeloader Lafe Crick from back home takes advantage of Jed's charity and schemes to get rich off the Clampetts' wealth. Lafe manages to con Mr. Drysdale into giving him a job at the bank guarding Jed's money. But when he finds out that most of Jed's money isn't actually in the bank, Lafe then believes Jed has his money buried behind the mansion.

Lafe returns & talks Mr Drysdale into giving him a job as a nightwatchman at the bank to look after Jed's money. When Mr Drysdale tells Lafe that only some of the money is at the bank Lafe thinks the Clampett's have it buried in their backyard. He hurries back & pretends he's building Granny a root cellar, where in fact He's actually looking for their cash.

While Ellie continues to see Fred Penrod, Lafe Crick tries some match making with his son Dub and Ellie.