明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为宦(huàn )官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲(jìn )的西厂