Seo Jeong hates to be compared with her model student older sister all the time. So she skips school and rides Ji Ryeon's motorcycle around.
After an argument with her mother, she left home. But she hears that her sister has leukemia. What is leukemia? Seo Jeong thinks, "my sister won't die, will she? What will happen to my family?"
Cast: Yeo Min Joo, Kim Hui Jeong, Kim Doyeon, Kim Soo Long