明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持(chí )，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若(ruò )寒蝉。时(shí )有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的(de )西厂