Since his wife passed away, his life seemed meaningless, and there were times when he didn't even want to continue living. His son and daughter-in-law Yuna Hayashi often encouraged him, giving him the will to live and forget the past. In an accident, the beautiful daughter-in-law helped him. Then, what will happen next...
The father-in-law and daughter-in-law had an incestuous relationship without regard for morality, so they had sex on their son's wedding bed.