When Kang Bok-Soo was a high school student, he was falsely accused of committing violence and kicked out of school. This was caused by his first love Son Soo-Jung and a male student Oh Se-Ho. Kang Bok-Soo is a now an adult, but his life has not gone smoothly. To get revenge on Son Soo-Jung and Oh Se-Ho, he returns to the same high school as a student. The environment at the school has changed and Kang Bok-Soo gets involved in unexpected cases.
Yoo Seung-ho
Jo Bo-ah
Kwak Dong-yeon
Kim Dong-young
Park Ah-in
Cheon Ho-jin
Kim Mi-kyeong
Lee Kang-Min
Yeon Jun-seok
Kim Kwang-kyu
Uhm Hyo-seop
Choi Won-hong
Kim Yeo-jin
Kim Yeong-ok
Jo Hyun-sik
Kim Jae-hwa
Yoo Seon-ho
Yu Yeon-Su
Bret Allan Lindquist
Park Kyung-hye