Ahn Jung-geun, a commander in the Korean Independence Army, leaves behind his country, his family and his mother Cho Maria. Ahn Jung-geun and his comrades cut off the last segment of their ring fingers as a symbol of their dedication to liberate their nation, and as a solemn oath to kill Ito Hirobumi, a man at the center of Japan’s occupation of Korea, within three years. To keep his oath, Ahn Jung-geun arrives in Vladivostok. Meanwhile, Seol-hee, the independence fighters’ informant, disguises herself to get close to Ito Hirobumi. She finds out that Ito Hirobumi will be heading to Harbin to meet with a Russian delegation, and urgently informs the independence fighters. The fateful day of October 26, 1909 arrives. Ahn Jung-geun, who has been yearning for this day does not hesitate to fire his gun at Ito Hirobumi at Harbin Station. Arrested on site, he is charged with murder and tried not in a court of Joseon but in that of Japan…