悪徳政治家・有森鴨茂は代官として40年、権力を濫用し富と女を手に入れてきた。主人公の父は右腕として有森の闇金を管理していたが、無実の罪を着せられ追放される。やる気を失った主人公は家出をした息子・達也に電話。鴨茂への復讐を依頼する。やがて父は亡くなり、鴨茂は達也を三代目秘書として雇う。しかし、その3ヵ月後、鴨茂も亡くなる。死の直前、鴨茂は隠していた闇金の金庫の暗証番号を変更していた。そして、有森家の勢力図が一変。隠していた金を手に入れた者が次の代官になる。隠していた金を巡って有森家が争う中、達也は復讐を開始する。
Series overview: An evil politician Arimiya Kamoshige has been a local governor for 40 years. Abusing his power, he has gained wealth and women. The protagonist's father had managed Arimiya's black money as a right-hand person, but later, he was expelled falsely charged with a crime. He got discouraged and called his runaway son, Tatsuya. He asked Tatsuya to take revenge on Kamoshige. Soon after his father died. Kamoshige hired Tatsuya as the third secretary. However, Kamoshige also dies 3 months later. Just before his death, he changed the passcode of a safebox which contains hidden black money. Then, the power balance of Arimiya Family changes. The person who obtains the hidden money will become the next ruler. While Arimiya Family is in conflict for the hidden money, Tatsuya begins his revenge.
