Five years ago, Yan Chen's father, He Yuqing, died accidentally during the investigation of a shooting case. In order to find out the cause of his father's death, Yan Chen found his father's former partner Lin Haoyu. Under his recommendation, he joined the Criminal Investigation Team of the Nanping Branch and became the partner of Lin Haoping's son Lin Yi. In the process of solving one unresolved case, the two accidentally discovered the huge conspiracy behind it. In order to find the truth, they set aside all the clouds and started a life-or-death battle with the evil forces in Linyang City.
Purpose: Detective