明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把(bǎ )持(chí )，混淆(xiáo )黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安(ān )（李连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊(jīng )。适值此时，风头(tóu )正劲的西厂