Modern Stone Age family the Flintstones hit the big screen in this live-action version of the classic cartoon. Fred helps Barney adopt a child. Barney sees an opportunity to repay him when Slate Mining tests its employees to find a new executive. But no good deed goes unpunished. 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.