Synopsis：In the 1930s, amid a storm-torn era, the 斧头帮 suddenly emerged, its hundreds of axes cutting a bloody path through the traitors of 中国! The most feared assassin among them was 王亚飞, sworn brother of 王亚樵 of the 斧头帮! Commander 井石三郎 of the 日本 army, colluding with traitors, plotted sinister schemes in 中国东北, and 王亚飞 went to assassinate him. During the mission, he unexpectedly encountered the spy from 日本, 川岛芳子, and learned that she had done every kind of evil—stealing intelligence for 日本 and murdering the loyal. In the pursuit, 王亚飞 unwittingly fell into a trap and was imprisoned by 川岛芳子 in the 731部队, where she sought to persuade him to help her complete her grand restoration cause. After enduring countless hardships, 王亚飞 finally escaped and began hunting 川岛芳子! But 川岛芳子, known as the thousand-faced spy and skilled in disguise, was extremely difficult to track. At last, 川岛芳子 revealed her whereabouts during the assassination of 张作霖. 王亚飞 rushed to 北平, but 川岛芳子 had already prepared for him, and another life-and-death pursuit began…