Gibraltar sends Oswaldo and Dimitri to work on Stegosaurus. The boys, like a pair of police officers, embark on an adventure in search of the dinosaur book that has disappeared from the school library. Medeiros is accused of stealing the book by Geovan. Dimitri is suspended from school when the book is found in his backpack. Oswaldo, suspicious, unravels the plot revealing that Geovan is the culprit for hiding the book, as it contained information about his love for Leia.
