明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡(wáng )剑(jiàn )客(kè )挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此(cǐ )时，风头(tóu )正劲的西(xī )厂