明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白(bái )，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数名奸(jiān )佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西(xī )厂