明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂(chǎng )为宦官把持，混淆黑(hēi )白，陷害忠良(liáng )，朝(cháo )野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰(shì )）等流(liú )亡剑客挺(tǐng )身(shēn )而出，接(jiē )连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂