During the Republic of China, warlords fought each other. Imperialist powers supported warlords to fight proxy wars. In this way, they gained the most benefits. Zhang Qiufeng and Zhang Qiuyun became the tools of the East and West respectively. In the process of assassinating Governor Yu, they gradually understood their own life experience and the cause of their father's death. Under the hatred of the country and family, the two brothers fought a desperate battle with the imperialist powers.