Danyeon and Hyeongpil are a married couple who have been in a bad marriage for many years due to a lack of sex. One day, Danyeon learns of Hyeop-pil's affair through a phone call from a stranger, and in revenge, she has affairs with 12 different men.
| Actor | Role |
|---|---|
| LLee Ju-naNot listed | Not listed |
 Lee Jung-hoonHyeok Pil | Hyeok Pil |
| CChoi Woo-suk-INot listed | Not listed |