明朝成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数(shù )名(míng )奸佞，致令阉(yān )贼胆战心惊(jīng )。适值此(cǐ )时，风(fēng )头正劲的西厂