Stepdad’s crazed fuck with young stepdaughter until interrupted by stepmom

Stepdad goes ahead and lusts after his young stepdaughter and consummates the affair. He is on top of her, going over her like an Come- the fanny and the arms and the hair. He gets it and so does she, though their playfulness is suddenly stopped by the stepmom, ending in a rather suspenseful, cut sex scene.