明朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂(chǎng )为宦官把(bǎ )持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李连杰 饰(shì )）等流亡剑客挺身(shēn )而(ér )出(chū )，接连(lián )铲(chǎn )除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂