In the quiet town of Bedrock, the Flintstone family's life goes on with its usual normalcy, until a mysterious and gothic group of characters makes their appearance. The famous Dracula, accompanied by his clumsy assistant Frankenstone, arrives in town with plans to build a castle where he can carry out his dark experiments. At first glance, the Flintstone family doesn't realize the threat posed by these new neighbors, but soon they come to understand that their home is in danger.
Fred and Wilma try to keep their daughter Pebbles away from the clutches of this power-hungry vampire, while their friends, Pedro and Vilma, become embroiled in a series of misunderstandings and mishaps that keep the plot in a constant ebb and flow of comedy and light scares. The Flintstones find themselves caught up in a whirlwind of comedic situations as they try to save their town from the invasion of these supernatural beings.
With a blend of classic humor and retro aesthetics, the animation captures the spirit of the 60s and 70s. The story takes us through fascinating twists and turns, where the true value of friendship and family is put to the test. In the end, an epic battle ensues between the Flintstones and the dark forces of Rockula and Frankenstone, culminating in a resolution that shows even monsters can have a fun side.