The interview team, who went to talk to the mother of Mr. K, a high school girl who died in suicide, learns that she frequently wrote on suicide sites before Mr. K died. According to his mother who read the email left on the computer after Mr. K's death, Mr. K started to think about suicide by watching some kind of video on the Internet. According to the testimony of his friends, it seems that Mr. K's actions and remarks began to die at some point. What exactly is that video? We were able to contact the suicide applicants on the bulletin board of the suicide site and talk to those who have seen the video. It was the beginning of horror and fear...