When a crooked politician dies, his nine wives expect to get his large inheritance. But the money ends up going to his daughters instead. This makes his youngest wife jealous and angry. So she teams up with a young, especially well-endowed man whose father has fallen ill after the politician ruined his career. Together, they use the young man's ample gift to manipulate the daughters into relinquishing their fortune.

An evil politician, Arimori Kamoshige, has been the local governor for 40 years. He abuses his power and, as a result, has gained both wealth and women. The protagonist's father is Arimori's right-hand man and manager of his slush fund, but ends up expelled from duty after being falsely charged of a crime. He becomes discouraged and calls his runaway son, Tatsuya. He requests Tatsuya to fulfill his desired revenge upon Arimori for him. Not long after, Tatsuya's father died, and Arimori hired Tatsuya as his secretary. However, Arimori also died 3 months later. Just before his death, he changed the pass code of a safebox which contains all his money. There is now a power vacuum within the Arimori family. The person who obtains the money will get to become the next head. While internal conflict erupts within the Arimori, Tatsuya begins his revenge.

The Immorals - Feminine Family ( Jokei Kazoku - Inbou ) - Episode 1