明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦官(guān )把持，混淆黑白，陷(xiàn )害(hài )忠良，朝野内外(wài )噤(jìn )若寒蝉。时有(yǒu )赵怀(huái )安(ān )（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名(míng )奸(jiān )佞，致(zhì )令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂