Annabelle Doll is eight years old, and she has been exactly eight years old for over a century. Cooped up inside her beautiful antique dollhouse, her porcelain family strictly follows the ancient Doll Code of Honor, never moving a muscle when humans are watching. Life is safe, quiet, and completely boring. But everything turns upside down the day the Funcrafts a bright, boisterous family of modern plastic dolls move into the bedroom. They do not know anything about the rules, and they certainly do not know how to play it safe. When Annabelle decides to team up with the daring Tiffany Funcraft to solve the long-standing mystery of her missing aunt, they embark on a dangerous expedition across the massive human house. Discover a secret world hiding right in plain sight in this delightful, charming adventure.