明朝成化年(nián )间(jiān )，朝纲腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而出，接连铲(chǎn )除(chú )东(dōng )厂数名(míng )奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂