It doesn't stop there as the sister eventually gets the hots for daddy! I mean, yeah, there's the taboo subject line that gives the picture a weird quality to it but outside of this there's just not much here. There's even another orgy at the end (where you can see a young Ron Jeremy).
One of the girls, in love with an ex-Vietnam soldier, impotent because of a ...
Then throbbing with desire, she succumbs to the boy who reminds her of her own son.
Barbara and Gina's massage session turns into frantic bi-sexual/lesbian sex and is later interrupted then wildly escalating to a threesome with visiting Junior, who had been given Barbara's address during a shopping trip earlier that day, that he learns that Barbara had been earlier having sex with her own son, Paul, his friend.
Though he is panicked at first, his lust eventually causes him to surprise her in her sleep.
Meanwhile, the mother's cheated psychologist is seduced by his daughter.