Shen Qingci, the legitimate daughter of the former Dali Temple Minister, is talented and proficient in solving cases. Three years ago, the family was falsely accused of collaborating with the enemy, and seventy-three members of the family died tragically in the flames. She jumped off a cliff and survived, hiding in the market under the pseudonym "Mr. Su".
As a lawyer, he secretly investigated cases, solved murder cases in the ghost market, and exposed fraud in the examination room, and became famous. While investigating the truth, he became entangled in love and hate with Prince Jing Xiao Jingyuan. He once broke the engagement with his own hands and suffered the infamy of exterminating his family.
Nowadays, powerful ministers are in power, and the hypocritical Prime Minister Liu Chengye holds the power with one hand. She uses the law as her blade and every step as a camp, vowing to pay with blood. And the shocking secret behind the fire that year gradually emerged...