明(míng )朝成化年间(jiān )，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安(ān )（李(lǐ )连杰 饰）等流(liú )亡剑客(kè )挺身而出(chū )，接连铲除(chú )东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂