Natsuko, who has been married for three years and has no children, is still working in the public relations department of a leading company. In the company, she is known as "a capable woman" and is on good terms with her husband's mother, "her mother-in-law". However, behind her face is a psychopath woman who spreads suspicious self-portrait videos on SNS sites and "confines" and "trains" the man who gets caught.
