明朝成化(huà )年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑(hēi )白(bái )，陷害(hài )忠良，朝(cháo )野(yě )内外(wài )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，致令阉贼胆(dǎn )战心惊。适(shì )值(zhí )此时，风头正(zhèng )劲的西厂