明朝成化年间，朝纲腐(fǔ )败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等流(liú )亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞(nìng )，致令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的西(xī )厂