明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安(ān )（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适(shì )值此时，风(fēng )头正(zhèng )劲的西厂