In this alternate-history prehistoric comedy, the Flintstones and the Rubbles navigate the challenges of work, family, and friendship in their stone-age town. When Fred Flintstone's boss tries to frame him for a crime he didn't commit, Fred must come up with a plan to clear his name and save his job.

In this prequel to The Flintstones, Fred Flintstone and Barney Rubble are best friends who go on a romantic adventure in the Stone Age. They find themselves in the middle of a love triangle with Wilma Flintstone and Betty Rubble, as they navigate through a series of hilarious misunderstandings and misadventures. Along the way, they encounter a dinosaur, visit a casino, and even meet an alien spacecraft. Will Fred and Barney be able to win the hearts of their love interests and live happily ever after?