明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若(ruò )寒蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂