Western calendar 2346, Yokohama, Japan. Before that, the earth experienced the crisis of extinction, and the mysterious man RichardChen became mayor of Yokohama, where he established an isolated dictatorship. In the name of improving human character and promoting true love, he forced citizens to drink extinct drugs, resulting in a sharp decline in the population. A group of young revolutionaries headed by Feng (Yin Ziwei) and Zhu (he Chaoyi) formed rebel guerrillas to confront the Wu government. Wu's confidant, the head of the police, Honda (Zhuneili), leads troops to encircle and suppress this group of rebels all day long. One day, A Liang (Ai Chuan Xiang), a humanoid robot, came across Zhu's younger brother. Through a struggle, he saved the little boy who was nearly killed by the police. With the introduction of the boy, A Liang strengthened this group of revolutionaries who were very rebellious but full of contradictions within. The conflict between the revolutionaries and the government continues to escalate, and Ah Liang and Honda also ushered in a fateful showdown. This film is the conclusion of Miike Chongshi's DOA (Life and death struggle) trilogy.