The imagination of their wives is a reality! Tonight, I covet my friend’s husband. One day, Hyeri confides his friend Zhuhei on his troubles. He has been having sex with his husband for several months. He urges him to swap, saying that he needs stimulation. To hesitantly hesitated, Zhuhei urges her husband to persuade her husband to help. Joe Hee and Jeong Hee who enjoy real sex life are expecting swapping with innocent married couple.