明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持，混(hún )淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰(jié ) 饰）等流(liú )亡剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数名奸佞(nìng )，致令阉贼(zéi )胆战心惊。适值此时，风头正劲的西厂