明朝(cháo )成(chéng )化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞(nìng )，致令阉贼胆战(zhàn )心惊。适值此时(shí )，风头正劲的西厂