Yujeong, who works as a night shift nurse at a general hospital's cardiology department, is now told that her 12th-grade younger sister, Kijeong, has been arrested by the police as a suspect in an infant abandonment case. Only then does Yujeong start to make desperate efforts to rescue her sister.
| Actor | Role |
|---|---|
 Park Ye-yeongYujeong | Yujeong |
 Lee Ha-eunKijeong | Kijeong |
 Kim Yi-kyeongHeejin | Heejin |
 Lee Chang-hoonNot listed | Not listed |
 Park Jong-hwanNot listed | Not listed |
 Han Hae-inNot listed | Not listed |
| LLee Seon-hoConvenient Store Part-Time Employee | Convenient Store Part-Time Employee |