Twin Brother and Sister raised to be very close to each other make love at a party and later made love with each other in their apartment. They found that their love making was genuine and they wanted to continue making love with each other after they graduated from college. She told him that she wanted to have his babies.
Older sister seduces her younger brother. They begin making love often and thought that she was protected by an IUD. She missed two periods and began having morning sickness. Her OBGYN told her she was pregnant.
Eddie and his mother enjoy their special relationship, though she allows his other trysts without jealousy. Approached by one of Eddie's teachers, who revealed she, too, has been in a relationship with a now absent son, Eddie's mother agrees to share.
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.