Dr. Tampa, the eager stepbrother, finds his stepsister, Virginia Vestal, in a compromising position, fingers deep in her tight pussy. As he barges in, she quickly covers up, but not before he catches a glimpse of her virgin snatch. In a heated argument, Mom's mentioned, but it only fuels their forbidden desires. They decide to continue their game of teasing, with Virginia openly masturbating while Dr. Tampa strokes his thick cock. Just as Virginia's about to lose her innocence, Mom's footsteps echo, forcing them to freeze in mid-act.