To help her divorced mother pay bills, a young teen lets herself be photographed in sexual positions for money by the next door neighbor. She enjoys sex and posing with him so much that she eventually brings her girlfriend, brother and mother in on the fun.
Thinking she is at home alone for the day, a mother fantasizing while she does some work in the kitchen attacts an unknown stranger to initiate an erotic encouter she never imagined.
An adult brother and sister (with flashbacks to their teen years) and his two teen daughters and their life together, swinging with neighbors, until they come to realize that they are more than just brother and sister. Note there is bisexual male/male sex and some watersports.
As a teenager, Linda swears off men 'forever' after she is brutaly raped and impregnated by a complete stranger. One night she is invited to a party by her now-teenage son's girlfriend's mom, where she has her mind changed and has more pleasure than she ever dreamed of. From then on she never turns down a chance for pleasure, even when the pleasure is with her son.