When he first walked into the escort agency, he was ridiculed as "a loser who got in with a book on his back." No one knew that his photographic memory held the secrets of the entire arsenal. When he went on a mission for the first time, everyone was working hard, and he was the only one who hid behind the car and watched. No one knew that he had memorized every move of his opponent after just one look. When the conspiracy of the powerful officials came to light, and when the entire world became pawns on the chessboard, this clerical bodyguard who did not know martial arts grasped the sharpest knife - the rules. He uses his pen as his sword and his wisdom as his blade, and he plays step by step in the chess game of power. But when he finally stood in the court and faced the emperor's reward, he said: The common people just want to return to the south of the Yangtze River, open a martial arts school, and teach people true martial arts. This is a story about growth, as well as a story about "knowledge" and "action". Knowing but not doing is just unknown.