Everyone has his or her own wish, big or small, sometimes unthinkable. So has each character in this movie. Every character in this movie cherishes one small wish, but, in despair, tells others that it's better to give it up and cope with the reality. Unlike the title of the movie, "So Cute," no cute character appears in the film. This story revolves around a lady who has an unusual relationship with three boys and their father. Two brothers, though born of a different mother, live in perfect harmony. The elder brother, nicknamed 963, is a quick delivery serviceman who is lonely and pretends to be highly sentimental. The second, Gaeko, thinks light of his father but nevertheless remains a faithful and devoted son. A third son, also born of yet another woman, enters into the house. It turns out that their father, Jang Suro, was a playboy in the past, meeting many ladies. One day, Gaeko picks up a young girl named Suni on the street to let her please his father. After she becomes a new member of the house, the father and his three sons love her. Now, the ball is in her court.