The body of Seong Hye Bin, a young woman, is found in the mountain by a hiker. Beom notices that her limbs are tied with a knot and that her fingerprints are missing. He also meets with Deputy Chief Prosecutor Do Ji Han, but the two do not get along at all. Ji Han tells him that the culprit is a serial killer.
백범은 사건을 해결할 결정적 실마리를 본능적으로 감지하고, 증거를 찾기 위해 30년 전 연쇄살인의 첫 번째 희생자를 부검하려 하는데..
