New truths unfold as Ji Hyuk investigates Seo Su Yeon. While he digs into Su Yeon, he gets faced with a new enemy when his partner Je Yi gets kidnapped. 

Ji Hyuk and Je Yi find out that an organization called Sangmuhoe was behind the shooting of Su Yeon. While in pursuit of the organization, they get faced unexpectedly with yet another unknown identity. Meanwhile, Chief Ha helps Ji Hyuk fill in the gaps of his fragmented memory.