Jung-yub is besotted with his stepdaughter Yun-hee and their relationship goes beyond father-daughter boundaries. Yun-hee seeks to escape her father's shadow and biology teacher Eun-woo is her only ray of hope. She tries to take their relationship beyond that of student-teacher. Eun-woo is reluctant at first but soon falls for Yun-hee.
| Actor | Role |
|---|---|
 Woo Hee-jinYun-hee | Yun-hee |
| KKim Sung-okJung-yeob | Jung-yeob |
 Bang Eun-heeNot listed | Not listed |
| PPark Ju-miNot listed | Not listed |
 Kim Yoon-seokStudent at karaoke | Student at karaoke |
 Yoon Seung-wonJang Hyung-guk | Jang Hyung-guk |