Ukyo Sugishita (played by Yutaka Mizutani), a police inspector who graduated from the Faculty of Law at the University of Tokyo, is an elite police officer with meticulous observation and reasoning abilities. He behaves well and has elegant interests, but he seems to be not good at dealing with interpersonal relationships in the workplace, especially within the police force, so that he is assigned to the embarrassing cold palace department of the "Emergency Special Mission Group". However, Sugishita does not seem to mind. He is at ease in the Special Mission Department, and at the same time seizes every opportunity to handle the case and track down the murderer. This time he ushered in a new partner, former detective Kameyama Kaoru (played by Yasufumi Terawaki) of the First Investigation Division. Previously, Kameyama was demoted to the Special Mission Department because he was taken hostage by gangsters and lost the face of the department. One is a calm gentleman with a quick mind, and the other is a reckless man with well-developed limbs and hot-blooded impulses. The two incompatible people did not break up as quickly as the top management expected, but formed a partner who trusted and complemented each other, and started a "partner" career belonging to the Special Mission Department...