Following the 1911 Xinhai Revolution that overthrew the Qing dynasty, China entered a period of turmoil, with drastic political changes and the start of the Warlord Era. Chen Zhen has been hiding in Foshan until he receives a message and decides to return to Shanghai. Upon his return, Chen sees that a brothel now stands on the old location of Jingwu School. Apart from having to shoulder the heavy responsibilities of rebuilding Jingwu and raising Huo Yuan Jia's orphaned son, Huo Dong Jue, Chen runs into trouble with the gangs and has to hide from the police.
