明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而(ér )出，接连(lián )铲(chǎn )除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头(tóu )正劲的西(xī )厂