In a world where AI can swap bodies, Bec The Barbie unwittingly activates a program in her stepbrother's room, trading places with him. Awakening in each other's skin, the siblings explore their new forms, Jayden finding Bec's tight pussy while she discovers his throbbing cock. Their stepsisters, Sage and Della, join them, and the family engages in a tech-fueled, taboo orgy, fucking each other senseless in a blur of swapped bodies and intense, familial lust.