The drama tells a series of stories in which Zhao Yi Yang, chief of the accident section of the Pingyuan City Traffic Police Detachment, led the police to investigate a traffic accident which reveals the truth behind an incident many years ago. A small van was tragically involved in a car accident, and both parents of a family of three died. Through on-site inspections, Zhao Yi Yang, who had just been appointed as the chief of the accident section, discovered the incident. Therefore, there were two other vehicles involved, and they were chasing after each other, and finally identified the real culprit of the hit and escape. However, this case involved an old case of Zhao Yi Yang. It may be a wrong case, which may affect his progress. Zhao Yi Yang did not back down, and tried to follow the newly discovered clues to pursue the old case and arrest the suspect. (Source: Baidu)Edit Translation