明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂(chǎng )为(wéi )宦(huàn )官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有(yǒu )赵怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数(shù )名奸佞，致(zhì )令(lìng )阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂(chǎng )