His name is Yoohyeon Lee, he is 17 years old and a student at Korea College. He was a very private person in himself and did not communicate with anyone, until one day he saw a girl who he really liked and he became obsessed with the idea of ​​​​starting dating her, but she rejected him .. He was so sad that he did not leave the house for several months , but then the resentment turned into a terrible anger .. and he kidnapped her to take revenge.