明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪(xié )当(dāng )道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞(nìng )，致令阉(yān )贼胆战心(xīn )惊(jīng )。适值此时，风头正(zhèng )劲的西厂