From a true incident that happened in 1960's Japan. This drama is contemporary in setting but medieval in its characters and emotions as it focuses on a tangled web of murder and deceit encountered by a beautiful woman, Kayo after her abusive husband is murdered.

The drama depicts in the late Edo period in Nagasaki, Hiramatsu takes up Nagasaki bugyō`s head post. He likes alcohol and women. Furthermore He is always willing to accept a bribe from villains so they consider it is easy to manipulate him. But he is just pretending to be idiot and he kills villains who escape justice despite their crimes.