剧情电影《玉贞姐姐》内容简介：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. /有关《玉贞姐姐》详尽内容参考《玉贞姐姐》豆瓣讨论区