明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉(yān )贼胆战心惊(jīng )。适(shì )值(zhí )此时，风(fēng )头正劲的西厂(chǎng )