 Chen Zhen is depicted as an apprentice of the martial artist Huo Yuanjia, who founded the Chin Woo Athletic Association (also known as Chin Woo School or Jingwu School) in 1910.After Huo Yuanjia dies under dubious circumstances, Chen Zhen discovers that his master was poisoned by their rivals from a Japanese dojo in Hongkou District, Shanghai.He seeks to bring the murderers to justice and embarks on a quest to avenge Huo Yuanjia and revive his master's legacy, the "Jingwu Spirit".