Infinity Challenge <Gangs of New York>
Next we are introduced to Infinity's mafia special. The boss is murdered. The spy who betrayed and killed the boss is amongst the members. The members are role playing once again. There's gentle Mr. Mouth, yelling Mr. Angry, largest silhouette Mr. Big, awkward Mr. Quiet and creepy eyes Mr. Crazy. The members must not let their guard down, not even for a second. They cannot trust anyone. While finding clues that will lead them to the spy, they have to watch each other. Who is the rat amongst the group?
Source from iMBC
English subtitle for SAN