When Jung-ha loses her husband in an accident, Naru, her husband's secret lover, comes to her. Naru begs Jung-ha that she will do anything if only she will let her stay at her house. Jung-ha denies her at first, but eventually their strange arrangement of living together begins.
| Actor | Role |
|---|---|
 Uhm Jung-hwaLee Jung-ha | Lee Jung-ha |
 Kim Hyo-jinKang Na-ru | Kang Na-ru |
 Hwang Jung-minMin Jae-in | Min Jae-in |
 John D. KimOne-night stand | One-night stand |
 Lee Hwi-hyangJung-ha's mother | Jung-ha's mother |
 Kim Kang-wooJung-ha's Younger Brother (cameo) | Jung-ha's Younger Brother (cameo) |
 Choi Min-sikDoctor (voice) (cameo) | Doctor (voice) (cameo) |