明朝成(chéng )化年间(jiān )，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂