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.
Yoon Kyun-sang
Ki Moo-Hyeok
Keum Sae-rok
Ha So-Hyun
Choi Yu-hwa
Cha Hyun-Jung
Lee Jun-young
Yoo Beom-Jin
Choi Kyu-jin
Lee Ki-Hoon
Han So-eun
Han Tae-ra
Joo Se-Bin
Na Ye-ri
Jang Dong-ju
Kim Han-Soo
Jeong Da-eun
Jung Soo-Ah
Shin Seong-ha
Ahn Byung-Ho
Kwon So-hyun
Seo Yoon-Ah
Jun Seok-ho
Lee Tae-Seok
