Mi-yeon, an elite woman with a mysterious past, and her husband, Yeong-jeon, a novelist who doesn't know her secret. Mi-yeon is the head of a large corporation. She is a woman who enjoys a free-spirited sex life and is married to a novelist, Yeong-jeon. On the other hand, a married couple, Taeh-yeon and Seo-ra, moved into their neighboring house.
| Actor | Role |
|---|---|
 Jin JooMi-yeon | Mi-yeon |
| JJeon Chun-hooYeong-jeon | Yeong-jeon |
 Min JungSeo-ra | Seo-ra |
| HHoon YiTaeh-yeon | Taeh-yeon |
 Jo Wan-jinMi-yeon's sex partner | Mi-yeon's sex partner |