Sheri and her husband Thomas share their erotic fantasies. He commands her to fulfill her desire for an encounter with two men. She discovers Ms. Chanton's Castle, a private home where fantasies are played out. When Sheri enters the study where two men wait for her, she leaves her inhibitions and discovers how the pleasures of being spanked and bound as a naughty schoolgirl make her desire Thomas even more than she could have imagined.