Reina has tracked down the organization behind an evil pharmaceutical company that has developed a dangerous aphrodisiac and is terrorizing women everywhere. Reina, who tends to act impulsively out of a sense of justice, ignores her superior's orders and begins her own investigation. She goes undercover as an advertising writer, but her true identity is discovered... She is given the super-powerful aphrodisiac that is still under development, her body becomes incredibly sensitive, and she is gang-raped and brought to orgasm...!