Back at the show, the Melvilles are becoming unhappy with the children’s performances. Sullivan drops some eggs, and worse, Clarence is finding it a tighter and tighter squeeze inside the “automaton,” the chess-playing Napoleon. They are soon going to need a new child to join the show, and the Melvilles know just the right one. Despite the children’s best efforts to prevent another child from being kidnapped, a new girl joins the show.
But the Melvilles may have underestimated the new girl, whose feisty nature is inspirational to Sullivan. The Melvilles certainly seem preoccupied with something—at every new site, Master Melville can be seen carefully examining the grounds. With their families ever closer, the children of the travelling medicine show band together to solve the mystery of who the Melvilles really are and just what they are looking for.