A teller has been murdered but it was no ordinary crime. It is a murder that is similar to a serial murder case that was unsolved for 20 years. Whether it is the same culprit or not is up to the team to investigate.
태석에게로 배달된 피투성이 망치!
과연, 이걸 보낸 사람은 누구일까?
한편, 1998년에 벌어진 은행원 연쇄살인 사건과 수법이 똑같은 사건이 20년 만에 벌어지는데..