Lee Sang-in

A cop catches a serial killer who murdered his sister but never finds her body. The lack of closure torments him and drives his brother-in-law insane, who makes a deal with the mafia for revenge.

Yu-jin and her blind mother move to a small village from Seoul. On her first day at the new school, Yu-jin gets picked on by her classmates. Along with other victims of hatred, Yu-jin puts a curse on the four girls tormenting them through a Ouija Board. On her second day at school, one of the spellbound bursts into flames and dies just as she sits down where Yu-jin used the board. Next day, another victim burns to death, and now the school is enclosed by horror.

Ji-hae's friend is having problems expressing her feelings to the boy she loves, so she asks Ji-hae to write e-mails to him in her name. As the boy falls in love with her letters, Ji-hae discovers the story of her mother's romance which is remarkably similar to her own circumstances.

Jun-hyuk has loved Chae-young, his friend's older sister, since middle school. When his long-awaited confession ends in rejection, he follows an outrageous piece of advice: disguise himself as a woman and approach her again. What begins as a desperate plan soon turns into a string of comic mishaps, unexpected intimacy, and emotional confusion.

The KBS youth drama is about the lives of the staff and students in Sewon Arts High School.