Scholar Lu Wenyuan was trapped in Jiangbei on his way back to his hometown, and witnessed with his own eyes the tragic situation under the iron heel of the Jin soldiers. From escaping from the world to being forced to face it head-on. With his understanding of the terrain and clerical skills, he unexpectedly merged into the anti-gold force, using his pen as a sword to play a role in intelligence, strategy and people's hearts. As the situation deteriorated, he was pushed to the core of the city defense and completed the transformation from a "scholar on the sidelines" to a "man of responsibility" in the test of blood and fire. During the Battle of Caishiji, he participated in the historical moment in a unique way. After the war, he had a new understanding of his personal path and the destiny of the country, and chose an unexpected but true to his heart path.