Soon-Young (Kim Sae-Ron) is a young girl who is the head of her family. She lives with her mentally handicapped father (Jo Yong-Seok), unscrupulous uncle (Lee Chun-Hee) and younger sister Soon-Ja (Kim Ah-Ron) who is always ill. Younger sister Soon-Ja plays with her Barbie doll everyday and dreams of one day living in the United States.
Meanwhile, Mang-Taek comes into contact with an American man interested in adopting a healthy Korean girl. Mang-Taek arranges a deal for the American man to adopt Soon-Young. When her younger sister Soon-Ja hears of the adoption, she becomes jealous and asks to take the place of her older sister.
When the American man and his young daughter arrive to take Soon-Young, the uncle, Soong-Young and Soon-Ja must decide who is to go. The American father has an ulterior motive for the adoption ...