A graduate student preparing his thesis on mythology leads his friends on a research expedition to an old plantation estate on the outskirts of the Big Easy. The site is reputed to mysteriously cause madness and death to all who enter it.

Biker Cary Ford is framed by an old rival and biker gang leader for the murder of another gang member who happens to be the brother of Trey, leader of the most feared biker gang in the country. Ford is now on the run trying to clear his name from the murder with Trey and his gang looking for his blood.

When dignified Albert Donnelly runs for Governor, his team moves to keep his slow-witted and klutzy younger brother, Mike, out of the eye of the media. To baby-sit Mike, the campaign assigns sarcastic Steve, who gets the experience of a lifetime when he tries to take Mike out of town during the election.

When nine-year-old Alfalfa falls for Darla, his "He-Man-Woman-Hating" friends attempt to sabotage their relationship.

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