Philip arrives home sporting a black eye earned defending his mother's dubious honor from schoolyard taunts. His grandmother gives him a bath and more. Then the nice lady next door teaches him a few tricks. Grandma comes back and teaches him some more. Finally, his abundantly endowed mom arrives and he shows her what he just learned.
Sue, a five and a half foot blond freshman, has first time experiences ["I couldn't believe what he was doing to me down there by simply sucking up here."] with a boy in her girlfriend's basement recreation room.
When fifteen-year-old Richard gets disturbed by his mom while he's masturbating he does his best to hide it. But then it becomes obvious that she's very, very interested in the lump in his bed covers. It turns out that he enjoys her attention just as much as she seems to like looking.
Two neighbors decide that the best way to keep their marriages from going stale, is to put some excitement into it by swapping husbands. Especially after watching them make it with the divorcee down the street.