Hong-yun is a high school girl in little mountain village when she falls head-over-heels for a handsome new school teacher, Mr. Kang. What with taking care of her youngest baby brother for her widowed mother and the impossible age difference, it is a roller-coaster ride for her as she tries to become someone special for Mr. Kang while he seems interested in the other new teacher at the school, Miss Yang.
| Actor | Role |
|---|---|
 Jeon Do-yeonYun Hong-yeon | Yun Hong-yeon |
 Lee Byung-hunKang Soo-ha | Kang Soo-ha |
 Lee Mi-yeonYang Eun-Hee | Yang Eun-Hee |
 Song Ok-sukYun Hong-yeon's Mother | Yun Hong-yeon's Mother |
 Kim Jae-inNan-hee | Nan-hee |
 Seo Hye-rinTeacher Yu | Teacher Yu |
 Lee Dae-yeonTeacher Jo | Teacher Jo |
 Kim Seon-hwaBum-soo's mother | Bum-soo's mother |
| PPark Kwang-jinKim Joo's grandfather | Kim Joo's grandfather |
 Lee InSoon-cheol | Soon-cheol |
 Lee Young-hooBookstore Owner | Bookstore Owner |
 Jeon Moo-songHeadmaster | Headmaster |
 Choi Joo-bongChoi | Choi |
 Lee In-chulYang Dong-ju | Yang Dong-ju |
 Shin Shin-aeMrs. Sang-ju | Mrs. Sang-ju |
 Kim Min-heeNan-hee | Nan-hee |
 Kwon Nam-heeNan-hee's mother | Nan-hee's mother |
 Kim Il-wooJung | Jung |