When mom and dad are away the twins will play - with the each other, with the babysitter, with the coach, with girlfriend to girlfriend and as a foursome.
Kitty and her brother, Paul, are careful to have sex only during the 'safe' times, and Kitty arranges for a sex-starved school-friend to 'take over' during the other weeks. And then Kitty's sister, Sarah, sees what's going on and wants to join in. And Sarah has a hidden agenda.
Teenage siblings Tom and Gina are walking home from school one day when they stumble across a wild party in a country house. When Tom discovers the true nature of the party, he is initially reluctant to stick around, but a little female persuasion soon helps him to change his mind.
13-tear-old boy relates how his older sister and he engaged in sex for the first time after he accidentally barged in on her when she was masturbating with a dildo.