明朝成(chéng )化(huà )年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑(hēi )白，陷害忠(zhōng )良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑(jiàn )客(kè )挺身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂