In the 1940s in the small town of Jupiter Hollow, two sets of identical twins are born in the same hospital on the same night. One set to a poor local family and the other to a rich family just passing through. The dizzy nurse on duty accidentally mixes the twins unbeknown to the parents. Our story flashes forward to the 1980s where the mismatched sets of twins are about to cross paths.

Jed Clampett and kin move from Arkansas to Beverly Hills when he becomes a billionaire, after an oil strike. The country folk are very naive with regard to life in the big city, so when Jed starts a search for a new wife there are inevitably plenty of takers and con artists ready to make a fast buck