Prepare yourself for a dark journey—this isn't your typical police procedural. It’s a cold look at the lack of empathy and the terrifying brilliance of a hunter.

It adds layers to Lee Seung-gi’s performance. Seeing the "behind-the-scenes" of his character’s dual life is both fascinating and disturbing.

Like the main series, this special dives deep into the question: Are monsters born or created? By watching the Vietsub version, you can follow the philosophical debates regarding the 1% "top-tier" psychopath gene and whether society can truly identify a predator before they strike. Conclusion