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，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等(děng )流亡剑客挺身而出，接(jiē )连铲除(chú )东厂数(shù )名奸佞，致(zhì )令阉(yān )贼胆战心(xīn )惊。适值此时，风头(tóu )正劲的西厂(chǎng )