明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李(lǐ )连(lián )杰 饰）等流(liú )亡剑客挺身而出，接连(lián )铲(chǎn )除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值(zhí )此时(shí )，风头(tóu )正劲的西厂