Webby, the youngest of Huey, Dewey, and Louie's cousins, must protect Uncle Scrooge's mansion from a band of Beagle Boys. While her cousins are staying with their wealthy Uncle Scrooge McDuck, a group of robbers attempts to break into the mansion. However, the resourceful and brave Webby, who is present as the babysitter's niece, thwarts their plans.

This children's story, featuring characters from the Disney universe, likely appeals to a young audience with its straightforward plot and clear good-versus-evil dynamic. The narrative focuses on a child's bravery in a potentially dangerous situation, offering a sense of empowerment. The presence of familiar characters like Uncle Scrooge and the Beagle Boys provides a comforting and engaging element for young readers. The story's resolution likely emphasizes Webby's cleverness and courage as the key to saving the day.