When he was fifteen years old, Gu Jiangleng refused to become a pawn on the family chessboard and chose to disappear from Twilight City.
He sneaks into underground boxing rings and lets his fists do the talking. The punching style is like a human being, there are no fancy moves, only the accuracy of hitting the vital point directly. Here he met Ji Nan, a young man who killed his father and fled, relying on his fists to survive.