Genre : Drama | Thriller
Back in his high school days, Joon-seok was bullied by Chang-sik. Because of this, Joon-seok's high school days were like a nightmare. Now, Joon-seok finds it difficult to live a normal life due to the bullying. Meanwhile, Chang-sik, who has forgotten what he did to Jeon-seok, lives a relatively happy life. He is about to marry Ji-hee. Joon-seok will pay him back for all the misery.