Twisted family sexual encounters with Camile blackmailing her dad with sexual favors. But naughty Camile is shocked to discover an addair between her brother and sister. After catching them fucking in a classroom, she begins to fantasize about it to the point where it becomes and obsession and makes her masturbate frequently. After being caught with her brother, Kate leaves for an appointment with her Grandfather the Dean. Kate makes use of her sexual prowess and gets Grandpa to give her just what she wants, passing grades. Kates affiar with her brother takes on an even bolder position after school and Camile wathces them secretly while masturbating in the hallway. Finally overcome by lustful thoughts, Camille confronts her sister in the bedroom and they explore each others bodies. Their brother Russell walks in on them and joins them on the bed. Things get pretty intense and none of them hear Dad come in! Lucky for Russell he's already been fucking both Kate and Camille so he joins in the family moment too. Everything goes great until they hear mom come home and everyone scatters to protect their secret.