Amber, a lonely MILF, masturbates to the thought of her absent husband Jack. Her son Jake overhears and becomes aroused. The next day, Amber walks in on Jake masturbating and they end up having rough, kinky sex, with Jake declaring he owns her now as his personal fucktoy.
Holy Family Secrets: The most theological of sins! Spiritual insemination transubstantiates into a physical incestuous event. The Spirit was sent by the Father to place His Son inside her - his son slipped his penis inside her to make her pregnant!