Lu Fang is a policeman who was suspended for some reason. At this time, his brother-in-law, who scored 680 points in the college entrance examination, was playing with a drone by the reservoir and photographed something he shouldn't have. He was chased and fell into the water and drowned, and the drone was lost. Lu Fang was full of doubts about the death of his brother-in-law. He went to the crime scene to search for evidence and salvaged the drone. He happened to be encountered by several unidentified robbers and the drone was snatched away. However, the mantis stalked the cicada and the oriole followed. The robbers were attacked by another group and a gunfight broke out. Lu Fang took the opportunity to escape, but was inexplicably regarded as a criminal suspect by the police who rushed to the scene. However, Lu Fang had a reason to escape and was involved in a series of cases. Lu Fang wanted to clear himself of suspicion while confronting the mastermind behind the scenes. However, the iron-blooded police detective - the criminal investigation captain Wan Qiyu believed that Lu Fang was a vicious gangster and vowed to bring this heinous criminal to justice.
