 Mrs. Hatchett, the school librarian, has discovered that Kim has a very overdue book, and must work in "library lock-up". Ron realizes that he had borrowed it without asking just before a mission, and lost it at some villain s lair. While Kim is working in the library, Ron and Wade (via a remote-controlled robot) visit various villain s lairs looking for the missing book, foiling their current world domination plans at the same time. At the final one - Monkey Fist s - Ron s backpack is spilled revealing that he d had the book all the time. Ron returns to Middleton, and puts the book back, getting Kim out of detention.