Synopsis：After the Mukden Incident, Northeast Army officer Zhou Yuan leads his troops in resistance and discovers a village massacred by Japanese forces. He rescues Song Xuelan, the daughter of a hunter, from among the dead. Over the next decade, Zhou trains her into an elite sniper. Using her exceptional marksmanship, Song assassinates Japanese soldiers and traitors, provoking a brutal manhunt by the Imperial Japanese Army that results in Zhou's death. Underground Communist Party member Kang Hongyi secretly aids Song, helping her escape imminent danger. Under Kang's guidance, Song assists guerrilla fighters in launching an assault on a Japanese military base, avenging the village massacre. She subsequently joins the guerrillas and dedicates herself to the War of Resistance Against Japan.