明朝成(chéng )化年间，朝(cháo )纲腐败(bài )，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时(shí )有(yǒu )赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身(shēn )而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的西厂