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In the 20th year of the Xijue's rule in Daqing, Han Tianmu, the captain of the Wulie Camp who surrendered to the Xijue, was secretly instigated by Song Ning, the Emperor of the Eastern Qing Dynasty, to rebel. He returned to the Wudu of Daqi with the Blue Bird Yinlong, determined to help his old friend return to his homeland. When Han Tianmu helped Dong Qing seize the blueprint of Yu Tianyi, an important weapon on the battlefield, he accidentally discovered that his wife Lou Bingyu had also defected to Dong Qing and became another force to resist Qi. A tragic song about salvation and return sounded in Wudu City...

A soldier from Zhongqing's Jade Bird Battalion codenamed "Han Ying" had been lurking in Xiliao until he risked his life to obtain an important piece of information: neighboring Wuqi sold the newly developed battlefield artifact Yu Tianyi to the enemy Xiliao. After being exposed, he could only return to Zhongqing. However, Xiliao implanted the "Silver Soul Gu" in his body and obtained Zhongqing's secrets. Under the crisis, Song Yang, the sworn brother of "Han Ying", and his son Han Tianmu stepped forward, risked their lives to help Han Ying remove the poison, and resolved the crisis in Zhongqing. However, a bigger conspiracy is waiting for them...