| Ki Moo-Hyeok, a lawyer with a high winning rate, only cares about money. Due to a murder case at a high school which he deals with, his reputation as a lawyer hits rock bottom. To regain his good name as a lawyer, he sneaks into the high school and work as a temporary teacher. He tries to reveal a secret which the students have, and gets involved with Teacher Ha So-Hyun, a P.E. teacher who loves her students. They then face the students'secret. |
| Name | Character | Episodes |
|---|---|---|
| Lee Jun-young | Yoo Beom-Jin | 16 |
| Jun Suk-ho | Lee Tae-Seok | 16 |
| Keum Sae-rok | Ha So-Hyun | 16 |