Former Director of the Special Crime Search Department (SIT) of the Metropolitan Police Department, Arikiko Maki (played by Yuki Amani), was impeached and accused by his peers for his female identity and capable and straightforward style. He was then transferred by Criminal Minister Masaru Gohara (played by Masao Kusakaya) to the interrogation class for the recently established emergency case of the Investigation Class. The department is headed by Kajiyama Seiri (played by Tetsuji Tanaka), and three other uncles, including Rikimoto (played by Diandian), Nakada Shinjiro (played by Ren Osugi) and Haruo Koishikawa (played by Fumise Kohina).Yukiko's arrival inevitably attracted the attention of the uncles, and the criminal police who searched for the first class hated the interrogation work and were snatched away by the department, so they were quite dissatisfied with the emergency interrogation room.Today, when case investigations are becoming increasingly standardized, the suspect's confession has become the key to finalizing the case.However, the police are facing opponents who are taciturn or cunning for various reasons. Arikiko and her colleagues walked into the interrogation room again and again, persisting in pursuing the truth behind the case...
