Who is the strange pompous boy whom Bill has invited to his home for the holidays? The children soon discover that he is a prince, named Aloysius Gramondie, and has enemies on his trail. The enemies want to overthrow his uncle, who is too strong a ruler for his enemies, and to place the prince, who is just 11 years old, on the throne as a puppet ruler. Jack and Kiki find themselves following the others who are kidnapped and taken to a strange country of Tauri Hessia; but they find help in a circus, and with his new friends Jack will soon decide the fate of an entire nation.