The protagonist playing underground black boxing, make money for the 6 year old blind sister cure the eye, but also and most loving girlfriend parted, because be afraid of complicity she, under a girlfriend to marry another man, the protagonist accidentally Hangxiazhangyi saved a beauty, and one not careful, Toshio saved a criminal gangs to kill the police undercover, and accidentally, by gangs to kill, kidnapped girlfriend and dearest sister, forced her to hand over something, and accidentally started a hero rescued plan, the world's most dear people and justice of revenge.