玉贞姐姐

yle="color: rgb(17, 17, 17); font-family: Helvetica, Arial, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);">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.