Zero Focus

One week after their marriage, Uhara Kenichi bids farewell to his wife Uhara Teiko prior to departing for Kanazawa on a business trip. The couple met on a blind date through a matchmaker before marrying.
Kenichi promises to return to shortly but never returns. Teiko then travels to Kanazawa to uncover his whereabouts. There she meets two women. Murota Sachiko, whose husband owns Murota Refractory Brick Company. The Murota Company once contracted Kenichi for work. Sachiko is currently working on helping a woman become the first female mayor of Kanazawa city. Teiko also meets Tanuma Hisako, a woman who works as a receptionist for the Murota Company. Hisako comes from a poor background and lacks education. Yet, she got the job through the owner of the company.
Meanwhile, there's a serial killer who first started killing around the same time as Kenichi's disappearance. Teiko also learns that the two women are connected with Kenichi in other ways. A shocking truth then awaits Teiko.
(Source: MDL)
~~ Adapted from the novel "Zero Focus" (ゼロの焦点) by Matsumoto Seicho (松本清張).