Jill comes home to find her brother and her cousins having sex. When sneaking into her room she discovers their parent having swinging sex and acting out fantasies. She plans a birthday party for her dad where he takes her virginity thinking she is someone else.
This is an unusual story on the border between SciFi and Paranormal. There are lots of D/S elements. There are elements that might appeal to those interested in sex with animals, although only people are actually having sex. Two teenagers fall in love, have sex, and get married. The find that they both have a spirit animal sleeping inside that comes to life more and more, as they have more and more sex. When they surrender to their spirit animal, all kinds of interesting things happen.
At the close of the Vietnam War I was one of those people who officially didn't exist. It's a little disconcerting to realize even your birth records were erased. I get a new identity and a whole lot more out of the whole thing.