While there is a taboo theme of step-family sex, the general sense of incestuous overtones is toned down, as the scenario involves a young attractive blonde stepdaughter with her middle aged older step father who after a rather heated therapy session that raises some questions about their relation start having a session of more intimate kind. Their sex drive becomes insatiable and they proceed to have a group session that includes MILF, and mother in law in this hard core scene.