In 1905, Sun Wen intends to come to Hong Kong (then a British colony) to discuss his plans for revolution with fellow Tongmenghui members to overthrow the corrupt and crumbling Qing Dynasty. Empress Dowager Cixi sends a group of assassins, led by Yan Xiaoguo, to kill Sun. Revolutionary Chen Shaobai arrives in Hong Kong a few days before Sun's arrival, to meet Li Yutang, a businessman who provides financial aid for the