明朝成(chéng )化年间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂为宦(huàn )官把持，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除(chú )东厂数(shù )名奸佞，致令阉贼胆战(zhàn )心惊(jīng )。适(shì )值此(cǐ )时，风头正劲(jìn )的西厂