Kwan Jeon sub indo. Newly married couples Eunmi and Seongsu couple seem to be ordinary, but they have secret secrets. Eunmi has a hobby of enjoying a lover’s home while her husband goes on a business trip. The secret of her husband, Seong-soo,  is installing a CCTV in the house and he is excited to see the wife having sex with another man. She does not have the excitement of watching her, and she tells Eun-mi to tell her the truth and once again  invites her to have sex with another man.