There are many people in the world who live well without any punishment despite committing many obvious mistakes.

There are many people in the world who are living well without any punishment despite doing many obvious wrongdoings. Some made use of the loopholes in law, while others use money and power to get themselves out of troubles. This is the story of former lawyer Mami Shirasawa and swindler Kensuke Kuroiwa, who take revenge on the sneaky bad guys on behalf of the victims.