Eleven-year-old Hyun-joo has no friends. She wants to be the best friend of Ji-won, the most popular girl in her class. She goes to Ji-won's house to write a "Best Friend Memorandum" and finds out that Ji-won's mother has left. Hyun-joo lies to Ji-won that she doesn't have a mother either. After that, Hyun-joo thought they had become best friends. But Ji-won has many other friends and Hyun-joo has none.
Eleven-year-old Hyun-joo has no friends. She wants to be the best friend of Ji-won, the most popular girl in her class. She goes to Ji-won's house to write a "Best Friend Memorandum" and finds out that Ji-won's mother has left. Hyun-joo lies to Ji-won that she doesn't have a mother either. After that, Hyun-joo thought they had become best friends. But Ji-won has many other friends and Hyun-joo has none.