An incident occurred in which a policeman had his gun taken away and was shot in the back of the head and died. Asawa Naoki (Inohara Yoshihiko) and other members of the special investigation team began to search. After arresting a man with a criminal record, the second murder occurred. Komiyayama Shiho (Haneda Michiko) and others went to the restaurant where the incident happened, and the person who was killed was the chef of the restaurant. Eyewitness information about the masked man was obtained, and soon an employee was detained. However, the third incident happened again. The next victim was a man engaged in the money laundering industry, and the method of committing the crime and the pistol used were the same as the first and second cases. The surveillance camera captured the masked man. Naoki had a flash of inspiration and went to the scene of the incident again to look for clues. The fourth incident finally happened. @哦撸马(阿点)