Wei Zheng, a modern project manager, traveled through Baoqing in the Southern Song Dynasty for three years. On the first day, he was slapped in the street by the nephew of a powerful minister. His father was dismissed from office immediately, and his family's life hung on a thread. He originally wanted to use his identity as a low-level official in the Imperial City Division to make a comeback secretly, but he bumped into an incognito official at the powerful minister's villa, and even discovered that the cold-faced female assassin was actually the last line of defense sent by Heaven to balance the world. Modern thinking collides with ancient intrigues, and a mortal is involved in the chess game of heaven. What he wants to do is not to go back, but to live with a clear conscience!