Modern history researchers unexpectedly discovered Yang Yanzhao, a famous Northern Song Dynasty general, at a time when the Northern Song Dynasty and the Liao Kingdom were at a stalemate, and the Yang family generals were trapped in dual crises in the court and on the battlefield. With thousands of years of historical knowledge and modern military thinking, he reshaped the legendary life of Yang Liulang, guarding the border, defeating the Liao army, fighting traitors, and settling the country. He rewrote the fate of the Yang family's loyal but tragic end, and wrote an iron-blooded legend that shocked the Song and Liao Dynasties.