The series is a hard-boiled suspense drama based on the novels of Gentaro Ikane.This drama depicts the active performance of the Metropolitan Police Department Personnel Section 1 Inspection Department, a professional group that controls corruption among Metropolitan Police Department employees. The protagonist Masaki Saara, played by Matsuoka, was removed from the Investigation Section 1 when a junior detective died in the line of duty while investigating an incident.Set to one.The sequel is set two years later, and Sao Liang, who has become the main force of the surveillance department, faces off against an organizational conspiracy that shakes the entire police organization.The director of the previous work will continue to be Teru Uuchata, and the script will be written by Suzuki Kenichi.