Fifteen years before the start of the Tianlong plot (the second year of Zhe Zong Yuanyou), the Song Dynasty is used as the stage, interspersed with hidden lines in Dali, Xixia, and Tubo. The time traveler stirs up the martial arts pattern vs. The inertial correction of the original forces. Let's see how the orphan of the Yan family in Gusu stirred up the situation with his martial arts deduction system.