A brother and sister, confined together in a small apartment, find themselves drawn to each other in forbidden ways. The sister, emboldened by her brother's unwillingness to resist, blurts out her deepest desire: "Gozei, passei a porra no meu pau e pentelho...", leaving no room for misunderstanding. Their raw, carnal encounter is a dance of power and submission, as they give in to their taboo urges, driven by the heat of the moment and the confines of their shared space.