Story
Full overview
A disgraced teacher finds comfort in an anonymous chat partner, unaware the troubled student behind the messages is growing closer to him.
People
Cast
Ryu Se-ilJang Ki-woo
Ha Jung-hoonLee Hyun-jae
Lee Jung-chanKim Jeong-ha
Jeong Si-wanPark Seong-won
Seo Jung-wookChairman of the School Foundation
Jung Jae-unKim Ji-tae
Park Hong-joonChoi Young-moon
Lee Ha-joonLim Hyun-jong
Bae Yeon-heeJeong-ha's Grandma
Yun Su-jinHyun-jong's Mother
Lim Soo-hyun
Lee Chan-yangChoi Yoon-taeProduction
Key crew
Lee Son-eumDirector
Lee Son-eumWriter