明朝(cháo )成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除(chú )东厂数名奸(jiān )佞，致(zhì )令阉贼胆(dǎn )战心(xīn )惊。适值此时(shí )，风头(tóu )正劲的西厂