明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持(chí )，混淆黑(hēi )白(bái )，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安(ān )（李连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂(chǎng )数(shù )名(míng )奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲(jìn )的西厂