In this feature film based on the "Flintstones" television show, operative Rock Slag is harmed throughout a chase in Bedrock. Slag's chief determines to change the hurt Slag with Fred Flintstone, that simply occurs to look like him. The trip takes Fred to Paris and Rome, which is good for Wilma, Barney, and Betty, however can Fred aluminum foil the mystical Environment-friendly Goose's bad prepare for a devastating missile without letting his spouse as well as good friends know his secret?