Lu Cheng possesses ancestral appraisal abilities, yet falls into crisis due to a misjudgment. Facing the doubts of his in-laws and the business scheming of his rival He Jingchuan, he does not run away from his mistakes. Standing side by side with his wife Shen Zhiwei, they verify evidence item by item, confronting the conspiracy of forgery in international appraisal competitions. Experiencing the reconciliation of family conflicts and holding fast to the bottom line of appraisal, he relies not on talent but on empirical evidence to clarify the truth, completing self-growth and guarding justice for his family and the industry.