Gosaigyo

An expert in the business of being a second wife, Takeuchi Sayoko (Kimura Yoshino) seduces wealthy old men and marries them for inheritance. Kashiwagi Toru (Takahashi Katsunori) owns a matchmaking agency, but is actually the mastermind behind the scenes who has several women who make a livelihood from this business. Nakase Tomomi (Kimura Tae), the daughter of one the men targeted by Sayoko, rushes over after her father is taken to the hospital. She is informed for the first time that Sayoko is his second wife. Suspicious about the situation, Tomomi asks private investigator Honda Yoshinori (Ihara Tsuyoshi) to investigate Sayoko and stop her stepmother from taking all of her father’s assets. He closes in on the secret between Sayoko and Kashiwagi and drives them into a corner.

Synopsis: JDrama Weblog