明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官把持，混(hún )淆黑(hēi )白，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺(tǐng )身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂(chǎng )