After questioning witnesses that surround the death of a high school teacher, Yang Su Jin, Ho Chul still feels that there is a missing piece of the story. As he digs into the case, he realizes that there is a complicated tie among those who knew Su Jin. Meanwhile, weird cases break out around the neighborhood, which all seem to be connected one way or another.

• Yang Jae-young
• Park Shin-ah
• Kang Sung-yeon