Jo Doo-soo, a member of a gang, comes across and helps Joanna, a college student who is about to have her handbag robbed by the bullies on her way home. Joanna is a diplomat's daughter and living the life of the upper class; whereas, Jo Doo-soo wastes his days serving the gang. Attracted to one another because of their opposite lives, Doo-soo and Joanna quickly fall in love. Being a devout Christian, Joanna believes that if only Doo-soo changed his thoughts about the way he lives, he could be a new person...
| Actor | Role |
|---|---|
 Shin Seong-ilJo Doo-soo | Jo Doo-soo |
 Um Aing-ranJoanna | Joanna |
 Lee Yea-chunGwon Dari | Gwon Dari |
 Yoon Il-bongDeok-tae | Deok-tae |
 Lee Min-jaMrs. Yoo [Joanna's mother] | Mrs. Yoo [Joanna's mother] |
 Ju Jeung-nyeoMrs. Oh | Mrs. Oh |
 Kim UngTae Gyeong-hwi | Tae Gyeong-hwi |
| BByeon Il-yeongDetective Baek | Detective Baek |
| CChoe Jang-hoYong-ho | Yong-ho |
| LLee Chang-sikDetective | Detective |
 Twist KimNot listed | Not listed |
| JJu YeonKwon Ok-ju | Kwon Ok-ju |
 Mun Mi-bongMadam Seung | Madam Seung |
| SSim Sang-uOh In-geun | Oh In-geun |
 Ji Bang-yeolNot listed | Not listed |
 Kim Ji-youngNot listed | Not listed |