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.

The Flintstones are at it again. The Flintstones and the Rubbles head for Rock Vegas with Fred hoping to court the lovely Wilma. Nothing will stand in the way of love, except for the conniving Chip Rockefeller who is the playboy born in Baysville but who has made it in the cutthroat town of Rock Vegas. Will Fred win Wilma's love?