The family is overjoyed when the mature woman dog Sayuri arrives at their home. Enchanted by her warmth and charm, the sons become obsessed, licking her dirty parts while receiving affection to satisfy their own desires. Upon discovering this, the father trembles with rage and decides to punish her. Sayuri is tightly bound and stimulated with a vibrator, moaning loudly from intense pleasure. Amid the family's chaos, they decide on a new solution—bringing in a male dog.