Briana comes into her daddy's bed at night with a question. Her class had learned about the reproductive system that day. But she didn't fully understand how the sperm actually came in contact with the egg. Briana can't quite understand the explanation, so she insists he show her how it happens.
Two experienced juniors (twins Rick and Michael), plus a virgin (Terry), are picked to evaluate a prospective new teacher. Except the twins take Terry to a darkened room with a two way mirror that looks into the faculty john, right over the trough urinal. Where Terry watches the coach get a blowjob from the new teacher while the twins play with his nips and his dick and his hole, teaching him all the things about guy sex he never knew he wanted to know. And then things got interesting.
A Aunt May Story Billy screws up and his Aunt decides to spank him leading to sex and a spanking of the aunt. Later Billy's girlfriend becomes involved.
Eddie is in the Navy and married unhappily. For the sake of his children (3), he's sticking it out in his marriage. To keep himself sane, he steps outside his marriage occasionally, to assuage his active libido. Since he refuses to engage a hooker, he tries to develop fleeting relationships with non-professional women, but those who appreciate his sexual acumen. These trysts occur at different places around the world.
Incest to beat all incest. Brother and sister have been getting it on between each other for years because they could not find anyone who could satisfy them better than the love they had for each other. The sister had been divorced because her husband wanted a younger girl, so the brother moves in with his sister who had three kids, since he was helping pay some of the bills anyway.