Xiao Jin was once an emperor, but he was framed by the powerful minister Lin Zhen, demoted to slavery, and imprisoned in a cold prison. He gathered all his sharpness and watched the changes in the world with his humble body, watching how Lin Zhen usurped power in the name of benevolence and righteousness. The former monarchs and ministers are now facing a life-and-death confrontation. Xiao Jin sees the decay of the court in the dust and mud, and although Lin Zhen holds power, he has nightmares every night and cannot stay in his position. When the war breaks out again and the country changes hands, who is the real master of the world? Xiao Jin smiled and burned the old emperor's robe; Lin Zhen sighed and finally realized that the country in his hands was just a sacrifice of others' thoughts.