明朝(cháo )成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把(bǎ )持(chí )，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客(kè )挺(tǐng )身而出，接连(lián )铲除东厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂