After traveling through time, Wang Yu found himself involved in the political whirlpool of the Song Dynasty. He started out as an ordinary scholar. By studying and applying modern technology, medicine, military and other knowledge, he gradually gained the trust of the emperor and powerful officials. As Wang Yu's influence continued to expand, he not only became an important adviser to the imperial court, but also discovered various unknown secrets in ancient times. In fulfilling his mission, he must decide whether to help the Song Dynasty restore its prosperity or to overthrow the existing system and create a new future.