Junia, a dedicated mule with an important job, assists in delivering books and reading material to people in the Kentucky hills and woods during the Great Depression.
When the bookmobile librarian refuses to lend Stanley the story he wants, he learns the importance of advocating for the book of his choosing, and in doing so teaches the librarian the virtue in allowing everyone to select the stories they enjoy.
When a villain unleashes chaos at the library, the Teen Titans get scattered into the library books and must first figure out what happened, then find each other, then find the real Jump City--all while punching, posing and reading.