Lin Zhaozhao, a modern forensic doctor, was reborn as the legitimate daughter of the Hou family. She was bound to the mountain and river merit system and vowed to find out the truth about her past life and kill her enemies with her own hands. Reaching a cooperation with Xie Yan, the sick and weak chief assistant, he worked step by step in the house fights and power schemes, used forensic methods to break the situation, punished evil with the power of merit, and finally let good and evil be rewarded, and the mountains and rivers serve as evidence to write the Spring and Autumn Period.
