明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安(ān )（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉(yān )贼胆战心(xīn )惊。适值此时，风头正(zhèng )劲的西(xī )厂