明朝(cháo )成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出(chū )，接连铲除东厂数名奸佞(nìng )，致令阉贼胆战心惊。适值此时(shí )，风头(tóu )正劲的西厂