Father and stepdaughter's intimate encounter discovered by mother-in-law

In a typical family setting, the perverted father takes advantage of his stepdaughters, using his massive member to pleasure them. He's always eager to get down and dirty with them, leaving them in a state of bliss. However, their illicit rendezvous is discovered by the mother-in-law, who is understandably horrified. She confronts the father, reminding him of the sanctity of their home and the harm he's causing. But being the deviant that he is, he continues to indulge in his sinful desires. The mother-in-law, fed up with his lack of remorse, decides to take matters into her own hands. The scene unfolds with a wild threesome, as the mother-in-law joins in, taking turns to ride the father's enormous shaft. The climax is a spectacle to behold, with the father erupting all over his stepdaughters. This family's dark secret is now out in the open, leaving them all yearning for more.