Kim Hye-in has to transfer to Cheongdam International High School after witnessing a murder. She crosses paths with Baek Je-na, a bully who happens to be connected to the case.
Lee Eun-saem
Yeri
Lee Jong-hyuk
Yoo Jung-hoo
Han Da-sol
Park Shi-woo
Jang Sung-yoon
Jang Deok-su
Kwon Se Eun
