明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂(chǎng )为宦(huàn )官把(bǎ )持，混淆黑(hēi )白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令(lìng )阉(yān )贼胆战心惊。适值(zhí )此时，风(fēng )头正劲的西厂