The former director of the Special Crimes Investigation Department (SIT) of the Metropolitan Police Department Yukiko Maki (played by Amami Yuki) was transferred to the investigation section of the emergency investigation class due to work. After Kajiyama Seiji (played by Tanaka Tetsuji), Ryomoto Jin (played by dots) , Nakata Zenjiro (Osugi Renato) and Koishikawa Haruo (Ohinata Fumiyo) and other uncles worked together for a period of time, and they gradually cultivated a trustworthy fellowship from the initial discord. During this period, although the two partners Daijiro (Kosuke Suzuki) and Tetsuji Watanabe (Naomi Hayami) who searched the first class were reluctant, they gradually integrated into the atmosphere of the interrogation class and became suspects. Another powerful force in the human psychological defense. The fast-paced society nowadays, the world is declining, and people\’s hearts are not old. Yukiko\’s opponents have become more cunning and better at concealing their killing intent… The former director of the Special Crimes Investigation Department (SIT) of the Metropolitan Police Department Yukiko Maki (played by Amami Yuki) was transferred to the investigation class for emergency cases due to work. The interrogation class, after a period of running-in with the uncles such as Kajiyama Seiji (Tetsuji Tanaka), Shinobi Ryomoto (played by a little bit), Zenjiro Nakata (played by Osugi Ren), and Haruo Koishikawa (played by Fumyo Koinata), they gradually began to argue with each other. Cultivate a trustworthy fellowship. During this period, although the two partners Daijiro (Kosuke Suzuki) and Tetsuji Watanabe (Naomi Hayami) who searched the first class were reluctant, they gradually integrated into the atmosphere of the interrogation class and became suspects. Another powerful force in the human psychological defense. The fast-paced society nowadays, the world is declining, and people\’s hearts are not old. Yukiko\’s opponents are becoming more cunning and better at hiding their killing intent…