明朝成化年(nián )间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂(chǎng )数(shù )名奸佞，致(zhì )令阉贼胆战心惊(jīng )。适值此时(shí )，风头正劲(jìn )的西厂(chǎng )