The main story of the novel is about Xiao Rong practicing martial arts and going to Shanghai to find the enemy who killed her father. On the way, she meets the Yu Cheng brothers and sisters who rescue Mei Huizi in distress. Later, she meets and learns that Xiao Lin is searching for her lover and it is Mei Huizi. Xiao Rong is grateful and sympathetic and tries to help. In order to use Mihuiko to get rid of and replace the Ax Gang and coercion and inducement, Major Oyamada not only resisted the destruction, but also managed to annihilate it in one fell swoop with Xiao Rong. Xiao Lin was cowardly and fell under the spell of the "Emperor's Spirit" and became unable to resist. In the end, Xiao Lin's junior sister Xiao Zizi and three others carried Xiao Rong behind their backs to assassinate Oyamada but failed. Xiao Rong then learned that the enemy who killed her father was Oyamada's father! Several people successfully assassinated Xiao Yamada with Xiao Yezi as bait. However, Yu Xiaole misjudged that Xiao Rong was in danger and rescued her, but was seriously injured and died. Xiao Rong couldn't get rid of her regret because of her self-blame. In order to make her forget the past and regain happiness, Yu Cheng insulted and complained against Xiao Rong... Wang Tiansheng, who had admired Xiao Rong for a long time, took Xiao Rong away. Later, Xiao Rong went home without knowing where Yu Cheng was. Immediately after the April 12th Incident broke out, Xiao Rong returned to Shanghai a year later. Xiao Rong soon met and rescued Yu Cheng, who had already become an underground party liaison officer, and sent information on his behalf. The two fell in love again and walked towards a bright revolutionary road together...