Teiko is 26 years old and has recently married Kenichi Uhara, who worked for an advertising agency. After their honeymoon, Kenichi leaves for Kanazawa to transfer his job there to a new manager. However, he never returns to Teiko, and his company informs her that her husband has disappeared. Teiko heads for Kanazawa by herself and begins to search for him together with Honda, the man who was supposed to take over the manager position from Kenichi. Why did he disappear? By the time she learns the truth, Kenichi is no longer alive. His death is recorded as a suicide, and Teiko discovers that he had a different name and another life. She also witnesses the serial murders of people related to this other life. Why did these killings happen, and who did them?

Zero Focus is a classic Japanese mystery novel based on an incident that really occurred during the chaotic period following World War Two. It has been made into a movie twice (1961 and 2009), and a TV drama six times (1961, 1971, 1976, 1983, 1991 and 1994).