"I live alone in an apartment. I discover Sun Yeong who lives in the apartment across from me. Sun Yeong is the beautiful woman I had been eagerly waiting for. I plan to approach her as Mr. M. I learn that Sun Yeong is being used as a pawn by a middle-aged man and am enraged. I decide to save her. I plot a precise and bold plan of revenge. One by one, I destroy those men."