Nan-gam comes face to face with Chon, who recognizes him from the past. As Bin and Tang plan their final escape, Bin receives a menacing phone call.

In his search for Tang, Song Chon confronts Bin — who desperately turns to Nan-gam for help. But Tang agrees to meet with Chon, who has a proposition.

As Nan-gam notices a clear pattern among the recent murders, he searches for Tang — unaware of another mysterious man who is doing the same.

The endgame to the chase leads to a final fight — and it's everyone versus Chon. In the process, Nan-gam finally learns the truth about his father.

Wondering if the same killer is behind all the murders, Nan-gam probes Roh Bin for clues, leading to an unlikely partnership between the two.

Flailing at life, Lee Tang panics after he kills a man after work. Soon, Jang Nan-gam is on the case — discovering a disturbing truth about the victim.

A mysterious woman approaches Tang, claiming to know his secret and begins to blackmail him. The weight of his actions starts taking a mental toll.

Nan-gam struggles to find clear answers as he investigates the latest deaths. After connecting with an enigmatic figure, Tang decides to turn himself in.