Their mother remarried, so the two beautiful sisters have a new father. Because the new room had not been cleaned yet, the four of them decided to sleep together. Even though he knew he shouldn't, the young girl's cuteness mixed with charm made the father irresistible. While having sex with the younger sister, the older sister next to her discovered her and masturbated herself. And then this carnal fun had another person joining in even though the mother was sleeping soundly next to her...