Asami is a married head nurse working in the sexual therapy department. She is beautiful, good at her job, and has a handsome husband, making her the object of envy. However, she actually has an aversion to sexual intercourse and is frigid. She is unable to feel anything even when having sex with her beloved husband... Asami, a married woman, thinks that being frigid means that sexual therapy can be done as a chore, and teaches it to her subordinate nurses. However, her performance is so good that the inspector demands that she show him her usual treatment. And then... things take an unexpected turn...