Upon receiving a tip that there are abnormal parent-child relationships engaging in incest on a daily basis, the director embarks on an intensive investigation of a certain father-son household. The daughter, despite her age, behaves unusually childishly, and the father, at first glance, seems normal but easily loses his temper over trivial matters. Through the investigation, the abnormality of this family becomes apparent. Not only does the father indulge in his daughter's body, but he also uses her as a tool for making money...
