The entire Qin family, a doctor in the household department, was convicted of treason and executed at the Meridian Gate. The only son, Qin Wuye, luckily escaped with his life. In order to take revenge, he changed his name to "Long Yuan" and was admitted to the North Town Fusi, the "Jin Yiwei" of the Qing Dynasty, his mortal enemy. With a pair of "eyes of the heart mirror" that can see the trajectory of evil, he stepped from an unknown flag in prison to the pinnacle of power and martial arts. He used the sword of the imperial court to kill the young people in the Jianghu; he used the blood of the Jianghu to wash away the injustice in the court. When the darkness dissipates, he is not only the "cold-faced Yama" who makes all officials fearful, but also an unknown hero who is praised by the world.