The Flintstones and the Rubbles are modern stone-age families. Fred and Barney work at Slate and Company, mining rock. Fred gave a hand to Barney earlier so when both of them taking a test to determine who should become the new associate vice president, Barney returns the favor by switching his test answers for Fred';;;s, whose answers aren';;;t very good. Fred gets the executive position, but little realizes that he';;;s being manipulated by Cliff Vandercave to be the fall guy for an embezzlement scheme..