They say that wisdom is the greatest of riches, and there's a wealth of it to be found on the shelves of the Duckburg Library. But Huey, Dewey, Louie, and their Uncle Scrooge are looking for something more tangible in the depths of its historic stacks - a forgotten map to the world's greatest treasure! The hunt reminds Uncle Scrooge of an adventure from his early days with a young pilot named Launchpad McQuack, which he relates to the boys while they search for the map. All this racket draws the ire of the head librarian, Miss Bookbeak - who may hold the key finding their hidden quarry!