明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连(lián )杰(jié ) 饰）等流亡剑客(kè )挺身而(ér )出，接连铲除(chú )东(dōng )厂数(shù )名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂