明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀安（李连(lián )杰 饰）等流亡剑(jiàn )客挺(tǐng )身而(ér )出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂(chǎng )