Naoki Hanzawa is a banker at the Tokyo Central Bank. Despite his having exposed many injustices inside the bank, the story begins with his being sent off to a subsidiary company, Tokyo Central Securities. Hanzawa commands a band of workers who are part of the so-called "lost generation." Together, they confront and overcome numerous workplace challenges. Can they secure "double returns" for clients and their outlandish demands? Convention-busting banker hero, Naoki Hanzawa, underwrites a new legendary chapter in the financial world.
"Tokumei Gakari" that's the dead wood post in Tokyo Metropolitan Police Department called the graveyard of the human resources. Ukyo Sugishita police inspector who dropped out of the upward trajectory because of a strange character though he has perfect career and too excellent brain belongs to Tokumei Gakari. a hot-blooded person, an honest person's Kaoru Kameyama that does the blunder and has been made to the object of the dismissal is relegated to Tokumei Gakari. Ukyo and Kaoru that became a partner solve the accident case. (until the season 7 episode 9) but Kaoru resigned from a detective in the season 7.
Though Ukyo was single for a while, Takeru Kanbe sent into Tokumei Gakari for Ukyo investigation by the instruction of Tokyo Metropolitan Police Department top management, will succeed the partner position in place of Kaoru.