Married woman Mio is 32 years old, married for 8 years and 6 months, with two children. Her life with her husband had been peaceful and happy, filled with the gentle sincerity he always showed. However, one day, she receives a bizarre request from him: "I want you to go on a trip alone with an adult video director." This strange demand stems from her husband's deeply rooted cuckold fetish. He had previously invited friends and acquaintances over, got himself completely drunk, then listened with excitement to their accounts of what happened afterward. Suspicious of his behavior, Mio confronts him, only for her husband to beg her to have sex with other men. After much inner turmoil, she decides to honor his wish and embarks on the journey. Hesitant at first, she eventually surrenders her body to another man. As the married woman is taken by a stranger to fulfill her husband's desire, she begins to show involuntary physical responses, trembling with sensation. Every movement she makes symbolizes the intense conflict and emotional struggle of satisfying her husband's twisted fantasy.