A tense family dinner takes a sudden turn when the stepfather can't keep his eyes off his stepdaughter's growing curves. After dessert, they retire to the living room, where the tension boils over into a heated make-out session. The stepdaughter's friend, visiting for the weekend, joins in, followed by the stepfather's buddy. The room fills with the sound of flesh slapping flesh as the four engage in a passionate, taboo foursome.