明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷(xiàn )害(hài )忠良，朝野内外(wài )噤(jìn )若寒(hán )蝉。时有赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名(míng )奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲(jìn )的西厂