明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东(dōng )厂为宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时(shí )有赵怀安（李连杰 饰）等流亡剑客(kè )挺身(shēn )而出，接连铲除东厂数(shù )名奸(jiān )佞，致令(lìng )阉(yān )贼(zéi )胆战心惊。适值此(cǐ )时，风头(tóu )正劲的西厂(chǎng )