A door-to-door salesman comes to the house and molests the mother! He ties up the mother's hands and fixes an aphrodisiac vibrator in her! Then, while she is unable to move, he rapes the daughter right in front of her! The mother is frustrated, but the effects of the aphrodisiac gradually take hold of her entire body! Her reason disappears and she becomes a sex slave, greedily seeking pleasure! Instead of helping her daughter, she trembles and orgasms, drooling as she seeks the cock that just raped her daughter! The mother and daughter become so lewd that they are raped over and over again, feeling it to the fullest!