While preparing for her participation in the princepessa's wedding, adjusting to being a student at a school for the arts, and dealing with surprise visitors at home, twelve-year-old Olivia ventures into the New York City subway tunnels in search of a man who might help her friend Frannie.

McQuarrie Middle School's students miss Origami Yoda when Dwight leaves for Tippett Academy, but he sends Sara a paper Fortune Wookiee that seems to give advice just as good as Yoda's--even if, in the hands of girls, it seems preoccupied with romance. "Tom se propone averiguar si es posible armar un nuevo caso sin que Yoda Origami esté presente en el colegio. Ahora que Dwight no está, todo es muy aburrido...hasta que aparece algo grande y peludo:...