ReturinghomefromtheirtriptoHollywood,JohnJonesgetsatelegramthathehasbeenleftagoldminebyhisuncleinArizona.ThefamilyloadsuptheirautomobileandheadsforArizona.THefamilyarrivesattheoldminebutareunawarethatagangofbankrobbersarehidinginaconcealedcellarinthemine.Amemberofthegang,posingasageologist,convincesMr.Jonesthatthereisnogoldinthemine(andtherereallyisn't)butoneoftheJones'boysfindsanugget(thathadfallenoffofawatchchain)andthatleadstocomplications,includingMr.Jonesbeingjailedmistakenlyasamemberofthebank-robbinggang.
