明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良(liáng )，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑(jiàn )客挺身(shēn )而(ér )出，接(jiē )连铲除(chú )东(dōng )厂数(shù )名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂