My Girlfriend is an Erotic Actress: The filming set of a private erotic movie will be shown! Through an acquaintance, a student and aspiring film director So-joong works as an audio boom man at the film set of the erotic movie. So-joong, who met her favorite erotic actor Soo-bin on the set, is engulfed in a strange feeling as she sees Soo-bin acting nakedly in front of her eyes. Seeing director Jang, who had been directing pornography in Japan, increasingly demanding excessive bed scene acting from Soo-bin, So-joong begins to get angry and begins to interfere with director Jang's filming...