Determined to control the beautiful aunt he has always desired, an adult nephew makes an aphrodisiac from instructions found online. When he stays at her home that summer, he secretly gives her one drop, then two, three, and four, gradually increasing the dose. Her body grows hot, her breathing turns ragged, and she writhes as her judgment slips away. On the tenth day, she finally loses control and throws herself at him, ultimately becoming his obedient personal sex toy...