My 19 Year Old Sister in Law is about a 19 year old girl, Yoo Min (Jung Da Bin) who was being abandoned after the death of her mother. She lives alone with her adopted brother, Kang Pyo (Huh Jung Min). She accidentally meets Seung Jae (Yoon Kye Sang), the younger brother of Min Jae (Kim Jae Won). By chance, Yoo Min actually had a crush with Min Jae, a doctor who treats her brother illness for a long time.
Original title: Baldızım 19 yaşında
Broadcast network: SBS
Broadcast period: 2004-07-28 to 2004-09-23