Chae Ryeong was found dead in her house. The police suspect her high school friends as the suspects. The detective in charge finds out that her killing is related to another case that occurred 15 years ago and starts tracking down her friends’ motive to kill Chae Ryeong.
The wound of the four ladies that isn’t cured after 15 years starts to turn into hatred and blames each other. Who is the killer and why? Prepare to find out the real killer and the killer’s motive!
Cast: Ko Jeong Min, Shin Iyeong, Shin Dong Mi, Kim Yeong Hun, Choi Deok Mun, Kim Neulme, Cho Wu Ri