Haley Reed is at her doctor's office for a checkup with her step-mom, Serene Siren, hovering nearby. Even though Haley is 18 and could easily attend the appointment on her own, she's thankful to Serene for being there with her to make her feel more comfortable. Yet, it doesn't seem as though Serene herself is that comfortable, especially when Haley asks for a kiss to calm her down. You see, they're hiding a secret from the world and Serene's scared of their real relationship being uncovered. However, Haley herself is unfazed and is able to convince Serene to give her a nice kiss on the lips.When Dr. Serena Blair steps into the office to meet her patients, she's suspicious with how disheveled both mother and daughter look. However, she proceeds with the checkup like normal. With each test she runs and question she asks, she becomes more and more concerned with the nature of their relationship. Although Serene seems to he trying to hide it, Haley is less secretive.Finally, Serena calls them out on it, discovering that they're sexual with each other! Although Serene's upset at Haley for being so bold, she tries to convince Serena to keep their secret. In fact, Serena's welcome to join them for a little fun if she'll let this slip under the radar. Although Serena's not sure at first, how can she resist the allure of a steamy threesome?Since Haley is already splayed out for them because of her physical examination, it's easy for Serena and Serene to get down and dirty with her. The office is suddenly a whole lot hotter as the three ladies devour each other's pussies, making great use of the doctor's appointment. After all is said and done, will it be enough to convince the good doctor to keep her word?