Angered by a television broadcast showing a black man being beaten at a lunch counter for just wanting a meal, Al convinces Fonzie to head south to march in a week-end civil rights demonstration and it's not long before they both find out, firsthand, what's at stake for the black community.

Al Delvecchio promises to provide the guest entertainment for the local Leopard Lodge's musical, the 15th annual "Poobah Doodah"; but can he really deliver his fifth cousin, once removed...teen heart-throb Frankie Avalon?