Mildred, a chronically clumsy librarian with a knack for finding lost items, accidentally stumbles upon a secret society of book-loving wizards who are battling a nefarious organization that seeks to erase all written history. Mildred's mishaps become crucial to the wizards' success, as her clumsy attempts to navigate their magical world inadvertently foil the villains' plans, ultimately saving the world of literature from oblivion.