After the death of modern detective Yang Daxia, he traveled to a parallel world similar to the 1990s and became a newcomer at the police station. The activated "Thunder Law Enforcement System" rewards skill points by solving crimes. Yang Daxia started with forensic skills, and as he gradually came into contact with higher-level cases, the system rewards also expanded from criminal investigation skills to forensic science, psychological profiling and other professional fields. Yang Daxia relied on his skills to counterattack step by step and reach the peak of his life.
