The protagonist, Lin Mu, is 28 years old, a graduate student in the Department of Modern History, and a die-hard fan of the Yang family. While studying "History of the Song Dynasty" late at night, he accidentally traveled through time and became fifteen-year-old Yang Yanzhao. He not only possesses memories of past lives, but also brings modern historical knowledge and military theories, determined to change the tragic fate of the Yang family generals.
