A boy is seriously injured when a car hit him while he was saving his little sister. Throughout the summer, his mother and little sister nursed him back to health and in the process, they all fell in love and lived happily ever after.
During Christmas vacation a mother, daughter and son are turned on by the daughter's older boyfriend. While the mother gets seduced by the boyfriend, brother and sister get it on after they see what is happening between the two. The son thinks his sister is sleeping on the couch and seduces her, then finds out it was his mother. On orgy ensues when the daughter and her boyfriend come in to see what the noise is in the living room. What a Christmas Vacation!
