明朝成(chéng )化年间，朝纲腐败，奸邪当(dāng )道。西(xī )厂东厂为(wéi )宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若(ruò )寒蝉。时(shí )有赵(zhào )怀安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )