In the second year of Xuantong, the Tongmenghui held a large-scale anti-Qing and Fuming campaign in Hong Kong, and Sun Yat-sen will hold a meeting in Hong Kong. Guangdong General Tieshan was ordered to assassinate Sun Yat-sen. Protecting Sun Yat-sen from holding a meeting and leaving Hong Kong safely is the most important task of the Tongmenghui at present. Li Chongguang, a member of the League, regards death as home and volunteers to be Sun Yat-sen's substitute to distract Tieshan's minions. Li Chongguang asked the rickshaw driver Ah Si to deliberately expose him to the public. Sure enough, Tieshan's minions chased and intercepted him frantically. Ah Si also tried his best to protect Li Chongguang for the fare promised by Li Chongguang. He dragged Li Chongguang all the way. But in the end he was outnumbered, and Li Chongguang died in Ah Siyang's car. At this time, Li Chongguang's grandmother was seriously ill. In order to comfort the old man Li Chongguang's father Li Yutang asked Ah Si to pretend to be Li Chongguang. When Ah Si came to the Li family in Guangzhou, he didn't want to be involved in the internal disputes of the Li family, and he had no choice but to be involved in the struggle between the Li family and Tieshan. During this period, Ah Si gradually came into contact with the revolution, and he was deeply moved by the sacrifice and dedication of the revolutionaries. Ah Si secretly decided in his heart that he would protect Li Chongguang's homeland and the revolutionary cause he devoted himself to for the sacrificed Li Chongguang