明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦(huàn )官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外(wài )噤(jìn )若(ruò )寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂