明朝成(chéng )化年(nián )间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦(huàn )官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东(dōng )厂数名(míng )奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂