明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时(shí )有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风(fēng )头(tóu )正劲的西厂