明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为(wéi )宦官(guān )把持，混淆黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数(shù )名奸佞，致令(lìng )阉贼(zéi )胆战心惊。适值此时，风头(tóu )正劲的西厂(chǎng )