Shay has a serious sexual attraction to her stepson Billy, causing her to behave manipulatively around him. She also peeks at him in the shower and when he masturbates in his room, making their relationship super uncomfortable and aggressive. Their therapist, Dr. Richelle Ryan, senses the sexual tension between them and tries a couple of lusty exercises so they can let it all out. What started as a tough conversation turns into a steamy fuck session between the therapist and her patients that gives them some perspective on their relationship.