Wei Yun, a criminal law professor at G University Law School, died of hypertension. The day before the onset of hypertension, Wei Yun attended a teacher appreciation banquet prepared for her. Wei Yun's family members believe that she was murdered, but conclusive evidence is needed to determine this is a murder. During the investigation, various grievances between Wei Yun and her students were involved. The case is also related to the determination of the causal relationship between the criminal behavior and the criminal results.
