A brother who loves his sister so much that he even thinks about having sex with her. When his sister's boyfriend, the object of his jealousy, visits their home, he tricks them by giving the boyfriend a sleeping pill and the sister a love potion. Despite her reluctance in front of her sleeping boyfriend, the sister, under the influence of the love potion, begins to feel aroused. Not stopping after just one time, the brother, seeking their bodies without being detected by the boyfriend, engages in transgressive acts with his sister, who eventually becomes so addicted that she even asks for him to impregnate her.
