She (jieun) is a criminal and an illegal car racer but only a few people know about it . During the day she goes school but during the night she is a completely new person no one in school knows who she really is not even those close to her such as her friends (Han Sunhwa, Jung Hana, Hyosung). Her father (adopted by him) is an underground criminal he is well known but no one knows he's Ji euns father.He raised her to be who she is .There is a secret about her but she doesn't even know what it