He was once an elite member of the police force, but he was dismissed due to major mistakes and became an outcast of the police force. In fact, it is a "dark chess" that goes deep into the poisonous cave. In order to track down the new drug "Phantom", he walked on the edge of a knife and danced with the devil. When trust collapses and the bottom line is on the verge of being lost, can this orphan trapped in a mystery end his sins and complete self-salvation?
