"HIS GIRL MADE PORN" is a disturbing look inside the lives of two young women, his daughter's boyfriend and his older half-sister, as they both suspect him of being unfaithful. The movie starts by explaining that the girl made porn with her older half-sister due to boredom, and that she made some videos using her older brother's equipment. She then decides to sell them on eBay and he, in return, gets them from her. In her mind, she's using old equipment and taking care of her sister's, but in reality, she's using her sexuality to get what she wants from her boyfriend. Eventually, it becomes clear that her "older half-sister" has been sneaking into her house with her boyfriend. The viewer then sees the progression of this scene through several disturbing events..