During the one hundred years of brief peace after the Ningyuan Alliance, the two countries of Song and Hu relied on spies and engaged in secret competition. Faced with the lurking of Hu's embroidery envoys, Su Muzhe was established in the Song Dynasty. Su Muzhe's spies transformed themselves into ordinary people from all walks of life in the Song Dynasty, fought to the death with the embroidery envoys of the Hu State, and punished evildoers and promoted good deeds. The young people of the Song Dynasty, represented by Qin Wandao, Su Liting, etc., Had the world in mind, eager to maintain peace in the Song Dynasty, and change the Song Dynasty's policy of emphasizing culture over military affairs. He sacrificed his small love for great love and his small family for everyone, just to give the people of the Song Dynasty a peaceful land.