During the Song-Liao Tanyuan Alliance, the Xixia Kingdom, the Liao Kingdom, and the Song Dynasty were at odds with each other. They were peaceful on the surface but bloody behind the scenes. Li Leyan and Zhao Tingyun, the Secretary of the Ministry of Justice, worked together to solve the mysterious cases in Kaifeng City, the Cross Shop Yang Qing case, the Bajiao murder case, the murder of the Liao princess, and unveiled the mysterious veil behind a mysterious case...
Concept: Indecision when faced with problems, quantum mechanics