《玉贞姐姐》是由郑海一导演于2024年在韩国发行的剧情电影，更新于2025-06-14 20:54，本片主要讲的是：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.