Gan Tianlei, Yang Xiaolei, and Xiong Guoliang were once the iron triangle of the police academy. Gan Tianlei was punished for helping Yang Xiaolei in a fight and wounding someone. After leaving the police academy, he went south to seek a life. He was spotted by Che Lizi, a young backbone of the Caesar Group, and was brought into the group. Gan Tianlei met the police undercover Uncle Hai and was inspired by him to become Tai Yongfeng's informant. He repeatedly performed extraordinary feats and was specially approved by the provincial department to become a policeman. Gan Tianlei was shocked by the appearance of Su Ling when he was carrying out the task of closing the net against the Caesar Group. However, the operation to close the net was imminent. Su Ling was shot in the heart in order to shield him from the gun. And because of the bomb, Su Ling woke up five years later. He indeed lost his memory and forgot everything except his daughter and Gan Tianlei. The Caesar case was not over. The two major forces of the Caesar Group and the Tan family revived to commit crimes. Tai Yongfeng realized there was something fishy and decided to let Qian Tianlei investigate. Gan Tianlei got the key information. In the end, through the efforts of the police, all criminals from the two major gangs, Caesar and Tan, were arrested. In order to find out the international criminal organization behind Caesar, Qian Tianlei embarked on a new journey.
