Trapped in a Circle

No-eul is searching for the traitor in his organization, but finds only Gang-jin, a man who claims to just be a regular old vagrant. Intrigued by Gang-jin's cool demeanor even in the face of his threats, No-eul decides to keep him locked up for the time being. But there has to be more to Gang-jin than he is letting on.. In the end, what secrets is he harboring and what are No-eul's true intentions? (Source: Lezhin US)