In a parallel modern-day Stone Age world, a working-class family, the Flintstones, are set up for an executive job. But they learn that money can't buy happiness.

In this live-action prequel to The Flintstones (1994), the Flintstones and the Rubbles go on a trip to Rock Vegas, where Wilma Slaghoople is pursued by playboy Chip Rockefeller.