Steve, an American physician, arrives at Pohang airport with his 13-year-old daughter Barbie. Mangtak welcomes and takes them in his old car to his brother Mangwoo’s house. In Mangwoo’s house, Steve watches Soonyoung, a 13-year-old girl, Soonyoung is the practical supporter of the family as she takes care of Soonja, her younger sister and Mangwoo, her mentally disabled father. Steve has come to Pohang to adopt Soonyoung into his family. Soonyoung can’t accept the fact that a stranger is now going to be her father. All this is Mangtak’s scheme to make a huge sum of money by sending Soonyoung to the U.S.