昭和52年，对金钱和男人都很随意的母亲，在贫穷的炭矿町抚养着古贺。他一心希望带着妹妹去东京，于是在上司中野哲司的指导下，进入了国民证券——。数年之后，古贺以某件事为契机而开始的复仇，为日本经济埋下了一个隐患

A press conference is held by a large electrical manufacturer. The press conference discusses improper accounting by the company of 150 billion yen. Finance Consultant Ryo Koga (Kippei Shiina) manipulates the CEO of the electrical manufacturer. Yumiko Kobori of investigation unit 2 suspects fraud and feels it's not right that the company was able to avoid delisting on the stock market exchange. At that time, the head of the management audit department commits suicide. Shortly afterwards, Ryo Koga secretly meets with Shozo Higashida (Shin Takuma). Yumiko Kobori doubts whether the man committed suicide. Who is Ryo Koga ?

부적절한 회계를 발표한 대기업을 뒤에서 조종하는 사람과 그를 뒤쫓는 경시청 수사관의 이야기를 그린 드라마