The arrow is on the string

After the "September 18th" Incident, the Northeast fell. The eldest young master of the Rong family, Rong Shi (played by Jin Dong), learns that the Japanese invaders are going to destroy the Xu family on the wedding day of Xu Yihang (played by Jiang Xin), so he sends a message to inform him. Unexpectedly, there is a traitor in the Xu family. The second brother Xu Jinchuan (played by He Minghan) who was abroad learned of the accident in his family and returned home immediately. From then on, the three siblings embarked on the road of revenge. Yihang, who is bent on revenge, has a strong and reckless temperament and does things without considering the consequences. However, she has a good nature and can always get help from Rong Shi in times of crisis. Sparks sparked between the two, but at this time, Yihang's fiancé Zhao Hua (played by Jing Chao), who thought he had died in the family destruction, came back to life. Later, the three siblings were introduced to join the Allied Anti-Japanese Army, and used the ancestral arrows to accomplish extraordinary feats...