en Cuevana 3. Dr. Sun leads a movement to free China from its Japanese occupation. While on a tour of China he is constantly assaulted by assassins hired by the Manchu leaders. The Chun Do school of martial arts is tasked to safeguard Dr. Sun's passage. Meanwhile, Chen Zhen is challenged by a Russian fighter but not as a means to kill him, he wishes to learn the ways of Chinese kung fu.