A devious father-in-law tries to conceive his own child in order to finally conquer his body and mind by forcing his helpless daughter-in-law to do as he wishes. Reiko's daughter-in-law, Reiko, thinks such a relationship is impossible, but she comes to her rescue when she is constantly fondled by her unfaithful and busty father-in-law every day. A depraved erotic drama of father-in-law and daughter-in-law.