明朝成化年(nián )间(jiān )，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲(chǎn )除东(dōng )厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂