He had sex with his own daughter - in a dream, of course. University lecturer Goto had built a happy family. A beautiful wife who is a painter, cute and talented children... but their happiness was a sham. Goto's mind was worn down by the days he suspected his wife's infidelity and the nightmares he suffered. One day, when he returned home, he saw his daughter crying in his ransacked room. Convinced that his wife had committed the crime, Goto resolved to protect his precious family himself, but...! A family suspense story of immorality!