A woman is found dead and 3 other women, incarcerated at a psychiatric hospital. A detective and his partner start to investigate the case. They soon find themselves tangled in a web of the women's lies and deceptions.

A woman is found dead and three other women, incarcerated at a psychiatric hospital. The body belonged to the wife of the hospital President, Dr. Kiriyama who has gone missing since the day of the murder. As Detective Hayashida and his partner start to investigate the case and interview the women linked to the victim, they soon find themselves tangled in a web of the women's lies and deceptions.